You must have waited here for a long time you?A. mustn'tB. didn'tC. haven'tD. hadn't

问题补充：

You must have waited here for a long time ,you?

A. mustn

B. didn

C. haven

D. hadn

答案：

A. mustn

B. didn

(答案→)C. haven

D. hadn

解析：本题是反意疑问句的考查。must的反意疑问句不是对must进行反问，因为陈述句部分中有for a long time，所以对have waited进行反问。