题目内容：

I hear that John has come back to china,_____? A.isn't he B.hasn't I C.hasn't he D.don't I
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I hear that John has come back to china,_____?A.isn't he B.hasn't I C.hasn't he D.don't I
选【C】本句是考宾语从句的反义疑问句,一般来说会根据宾语从句做出变化.
John has come back to china;所以变为了hasn't he