You must have waited here for a long time ,___________you?
A. mustn't B. didn't C. haven't D. hadn't
You must have waited here for a long time ,___________you?
A. mustn't B. didn't C. haven't D. hadn't
C
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。