一道高一英语选择题，急~~~！！！
He insisted that he_____that and that he____free.
A.didn't do,was set
B.hasn't done,is set
C.hadn't done,be set
D.hadn't done, should set
参考答案:选c insist当坚持时，后面的动词应该用虚拟语气，当其意思是坚持说时，后面的动词是什么事态还是什么时态。幼体可知，第一个空应为过去完成时，第二个空应喂原始事态。 翻译：他坚持说他没有做那件事于是他被释放了