Mike insisted that he nothing wrong and free.A. did… setB. had done…be setC. do…should b

问题补充：

Mike insisted that he nothing wrong and free.

A. did… set

B. had done…be set

C. do…should be set

D. had done… must be set

答案：

A. did… set

(答案→)B. had done…be set

C. do…should be set

D. had done… must be set

解析：本题考查insist用法。insist表示“坚持认为”时，后面的从句不用虚拟语气。本句中第一个空正式这种情况。而第二个空表示“坚持要做某事”，则应该用虚拟语气，谓语动词形式为(should)do。选B。