阅读下面短文，从短文后所给的四个选项中选出最佳选项。One morning, when I was leaving for my business, a middle-aged man came up and asked me for help. He said he had no money to get food for his large family. "You look1 . Why don't you work?" I asked. "Simply because I cannot get work, sir." "If I give you work, what pay do you want?" "As long as I can get bread for my family, sir." he answered.
I decided to find out if he really meant what he said. "OK. I'll give you one pound an hour, if you 2 a brick（砖块）under your arm and walk around the square for five hours without stopping." "Thank you, sir. I will."
I found a brick and started him on his walk before I went to my 3 . I never thought he would do what he had said.
When I came back five hours later, I saw him still 4 , with the brick under his arm. I stopped him and gave him five pounds. He thanked me and told me that some people had5 to help him when they knew why he was doing all this. He said they would give him work directly, but he6 . Before leaving, he asked if I would give him the 7 , I did.
Several years later, a well-dressed man greeted me on a train. Seeing I was not sure who he was, he 8 that he was the brick man and had his own business now. "You know, I still keep that brick and always consider it as the most9 thing I have because it has brought me luck and success."
In fact, it was not the brick that made the man successful, but his faithfulness（坚定）in doing 10 a very little thing.
