阅读下面短文，掌握大意，然后从各题所给的四个选项中选出一个最佳选项。

Once there was a rich man named Chulong.

Oneday, he was walking in his garden when he saw a strange 1 with beautiful features(特征) and sweet voice in a tree. Chulong 2 went near the tree and caught the bird, which he thought he could 3and get lots of money.

“Don't think about making money through me!" said the bird, “4 will buy me, because, in imprisonment (监禁), I lose my beauty and sweet voice.”Chulong's hope of making money was shattered. He became angry and wanted to5the bird for the meat.

Then the 6bird suggested, “Well, set me free. In return I shall teach you7simple but useful rules, which can do good to you.”

Chulong didn't believe the bird 8 and he was afraid that the bird would fly away. However, the bird9 it would keep its word(守信). Chulong wanted to take a risk. He set the bird free and it sat on the branch of a tree. It became10 again.

Chulong asked, “Now teach me the rules.”"Certainly,”said the bird.

Then thebird taught Chulong the11 The first rule is Never believe everything others say. The second rule is Never be sad about something you don't have. The third rule is Never throw away what you have in your hand.

“You silly bird,”shouted Chulong, “These rules are known to everyone. You12 me.”

But the bird said, "Today, you had me in your hand, but you threw me away. You believed all that I said. And you are sad about not having me.13the rules are simple, you have never followed them. Now have you got the14of the rules? Just sit down and think for a while.” With these words, the bird 15and disappeared from his sight.

    Mark lived in a mountain village far away. One day he became very 1 and everyone thought he would die soon. They sent for a   2. Two days later the doctor came and looked over the sick man. The doctor asked for a 3 and some paper to write down the name of the medicine. But there was no pen or paper in the village, because 4 could write. The doctor picked up a piece of burnt wood from the fire and 5 the name of the medicine on the door of the house. " 6 this medicine for him," he said." and he will soon get 7 " Mark's family and friends did not know 8 to do. They could not read the strange words. Then a young man had an/a 9. He took off the door of the house, put it on his carriage(马车) and drove to the nearest  10. He bought the medicine there, and Mark was soon well again.

    Mr. White is a blind man who likes traveling alone. However, as a blind man, he has met a lot of 1 during his trips.

    Once Mr. White traveled to Texas. It was his first time to go there. On the plane, he sat next to a woman who 2 Texas. The woman told him that everything was 3 and better in her city. When Mr. White arrived, he found a4and decided to spend the night there.

    After dinner, Mr. White went to a wine bar(酒吧) and ordered a glass of wine. When the waiter brought him one, he was 5." Wow！How big!" he said. Mr. White doesn't drink often, 6 he was a little drunk (喝醉) after drinking the wine. He wanted to go to the restroom, so he asked another waiter for 7. "Turn right at the information desk and it is the second door on the right," said the waiter.

    When Mr. White walked past the first door, he fell down. He missed(错过) the 8 and went towards the third door instead. Not realizing that he had entered the swimming area, he walked forward and then9into the swimming pool. At that time he10that everything there was bigger. "Don't flush(冲洗)! Don't flush!" he shouted as soon as he got his head above water.

    Twenty years ago, my father, John, wanted to be a businessman. He wanted to be rich. So he worked very hard and every day he went home very late.

    One night when he came home from work, a robber stopped him and wanted to take his money. My father was very afraid. He didn't want to lose his money. But he didn't know what to do. Luckily a policeman came and caught the robber. My father thanked the policeman politely.

    Now my father is a policeman. He wants to help other people.