—They started working on the show two months ago, didn’t they?
— . A lot of work needed to be finished before the show.
A. Yes, they did
B. No, they didn’t
C. Yes, they didn’t
D. No, they did
网友回答
(答案→)A. Yes, they did
B. No, they didn’t
C. Yes, they didn’t
D. No, they did
解析：反义疑问句。