The man insisted that he innocent.A. wasB. should beC. be D. were

问题补充：

The man insisted that he innocent.

A. was

B. should be

C. be

D. were

答案：

(答案→)A. was

B. should be

C. be

D. were

解析：考查动词的时态。Insist当坚持说，坚持认为讲时，用陈述语气；当坚决要求讲时，要用(should)+do的虚拟语气。根据句子，应是这个男人坚持说他是无辜的。所以用陈述语气，排除B,D;主句用的是一般过去时态，从句也用一般过去式，所以选A。