问题描述：
It seemed that he had been told all ------.
A.what happend B.had happend C.that had happened D.what had happend 请提供正确答案和解析,
My answer is also D.But the true answer is C.I don't know why?Who can tell me?D 的 happened 为什么错了？
A.what happend B.had happend C.that had happened D.what had happend 请提供正确答案和解析,
My answer is also D.But the true answer is C.I don't know why?Who can tell me?D 的 happened 为什么错了？
问题解答：
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