选择___seen the film,she would have known the result

题目

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

答案

选B
这里had she其实是if she had,把If提到前面了,这样就很好理解了吧.
这种把If提前是一种语法,可以关心下,还有比如were they就是if they were.
句子翻译：如果她看过那个电影,她就会知道结局了.