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
答案:B 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”。