问题描述：
选择___seen the film,she would have known the result
___seen the film,she would have known the result.
A. She had B. Had she C.She would D. Would she
求解及分析
___seen the film,she would have known the result.
A. She had B. Had she C.She would D. Would she
求解及分析
问题解答：
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