单选题 Why did the boss send Mr. Black to China on business? [A] Mr. Black had never been to China before. [B] Mr. Black was an able and hardworking man. [C] Mr. Black could buy something interesting for Tony.
【正确答案】 B
【答案解析】[解析] Black很能干，工作也很努力，他的老板很赏识他，所以才送他去中国出差。