阅读短文，从 A 、B 、C 三个选项中选出可以填入空白处的最佳选项。Once upon a time, there was an old woman. Her son was really lazy and did nothing at all. The old woman became 1 about his future. One day, she said to her son, "I hope you can go to this island and find some treasure." After saying that, she gave 2 son a bag. It was her son's 3 time to go to a place so far away. So she prepared some food, some clothes, some money and a map in the bag.
The son started the long journey the next day. During the long journey, he had to cook meals for himself.4 his way to the island, he met many people. Some of them helped him. Three months 5 , he got to the island. 6 , he could not find any treasure. He felt quite sad and began to return home. On his way back home, he could 7 look after himself. And surprisingly, he met those people 8 helped him before. This time he stayed with them for a few days and helped them with some farm work.
When he got home, he told his mother that he could not find any treasure. His mother smiled and said, "My son, to be honest, there is no treasure in 9 island. But I think you 10 the most valuable treasure in life already. This is something you can only learn through the course of life."
