阅读下面的故事，选择正确答案。

Long long ago, there was a man. He wanted to buy a pair of new shoes. At home, he got the size(尺寸) of his foot with a stick. And he put the stick on the chair. He went to the shoe shop and found a pair of new shoes. He liked them very much. He remembered the stick at home. So he hurried home to get the stick. When he came back from home. The shoe shop was closed. "Why didn't you try the shoes on?" A man asked him. " "I believe(相信) my stick, but not my foot." He said.