Jim was intelligent, but he hated hard work. He said, “You work hard, and make a lot of money, and then the government takes most of it. I want easy work that gives me lots of money and that the government doesn't know about.”
So he became a thief—but he did not do the stealing himself. He got others to do it. They were much less intelligent than he was, so he arranged everything and told them what to do.
One day they were looking for rich families to rob, and Jim sent one of them to a large beautiful house just outside the town.
It was evening, and when the man looked through one of the windows, he saw a young man and a girl playing on a piano.
When he went back to Jim, he said, “That family can't have much money. Two people were playing on the same piano there.”
It can be concluded from the story that ____.（ ）
由文章最后一段可知，这个小偷认为两人共弹一架钢琴就断定这家人没钱，说明小偷愚蠢。
