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：insist意为“坚持说”时，后面的宾语从句中谓语动词用陈述语气,即如果从句动作与主句动作同时发生，从句谓语用一般过去时；如果从句动作先于主句动作发生，则从句谓语用过去完成时。意为“坚决要求”时，后面宾语从句中谓语动词用“(should) do”。