I wish that you such a bad headache because I’m sure that you would have enjoyed the concert.
A. hadn’t
B. didn’t have had
C. hadn’t had
D. hadn’t have
网友回答
A. hadn’t
B. didn’t have had
(答案→)C. hadn’t had
D. hadn’t have
解析：
wish后面的宾语从句用虚拟语气，表示与过去事实相反的情况，宾语从句应用过去完成时。