The young man insisted that he nothing wrong and free．
A. did , set
B. had done , should be set
C. do , be set
D. had done , must be set
网友回答
A. did , set
(答案→)B. had done , should be set
C. do , be set
D. had done , must be set
解析：“这个年轻人坚持说他没有做错应该被释放。”insist “主张，建议”讲，从句需用虚拟语气（should+动词原形，should可省略），作“坚持说一个事实时”使用真实句，使用答案B。