单选题 The American young man speaks Chinese as fluently as if he ______ a Chinese.
A. is B. were C. has been D. had been

【正确答案】 B
【答案解析】[解析] as if he were a Chinese好像他是个中国人(其实不是)。as if从句谓语动词用虚拟语气，表示与事实相反的情况。