[单项选择]Henry Smith taught science at the City School. Once he went to a bookstore (书店) and bought some books. All of them were expensive ones. He left them in his ear in a quiet street. Then he went and bought some other books at other shops. At six o’ clock he came (来出现) back to his car. One window was open and the books were gone! Henry drove back to his home in Lake Street. That night he wrote a letter to a newspaper (报纸). The next day he went to the police. On Friday people read an advertisement (广告) in the news- paper. Books Wanted Have you any books that you no longer want I buy old and modern hooks. Open all day on Sundays. Henry Smith, 18 Lake Street. Henry stayed at home on Saturday. His first visitor came at eight. Henry took him to the kitchen. At half past nine another man arrived. He had a bag under his arm. "Mr. Smith9." the man said. "That’s right," Henry said. "Can I help you " "I have some good books. You buy books, A. Only one. B. A few. C. Two.