单选题 The boss sent Mr. Black to China on business because _________.A. Mr. Black had never been to China beforeB. Mr. Black was an able and hardworking manC. Mr. Black could buy something interesting for Tony

【正确答案】 B

【答案解析】[解析]由本文第一段第一行“Mr．Black was young and able．He worked very hard． And the boss liked him．”可知本题答案为B。