You didn’t believe John won the first prize at the speech competition ?A. did heB. didn’t

问题补充：

You didn’t believe John won the first prize at the speech competition, ?

A. did he

B. didn’t he

C. did you

D. didn’t you

答案：

A. did he

B. didn’t he

(答案→)C. did you

D. didn’t you

解析：考查反义疑问句，主语不是第一人称，动词believe后跟宾语从句时，反义疑问句反问时应对主句进行反问，所以选C。