John must have read the book,________?John must have read the book,________?A.mustn't he B.needn't he\x05C.didn't he\x05D.haven't he但我想说C是正确的!说反了，我选D，

John must have read the book,________?John must have read the book,________?A.mustn't he B.needn't he\x05C.didn't he\x05D.haven't he但我想说C是正确的!说反了，我选D，
John must have read the book,________?John must have read the book,________?
A.mustn't he B.needn't he\x05C.didn't he\x05D.haven't he
但我想说C是正确的!
说反了，我选D，

John must have read the book,________?John must have read the book,________?A.mustn't he B.needn't he\x05C.didn't he\x05D.haven't he但我想说C是正确的!说反了，我选D，
这句话用的现在完成时,即have+动词的过去分词,所以要用D

这个答案应该是C，因为must have done 是表示对过去的事实的肯定推测，must 的反意问句，对过去事实的推测，表示动作的时候用did当助动词，表示状态时用was 当助动词。