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By the time I swa the angry expression on his face, I ______ exactly what I was having to face. But not for a moment _______ I should quit.

       A. had known; I thought                                          B. have known; had I thought

       C. would know; I would think                           D. knew; did I think

D


解析:

考查時(shí)態(tài)。盡管句中有by the time引導(dǎo)的時(shí)間狀語從句,但主句謂語所表達(dá)的動(dòng)作不是發(fā)生在從句謂語所表示的動(dòng)作之前,而是幾乎同時(shí)發(fā)生,所以用一般過去時(shí)。By the time此處近乎于at the time之意。此題易誤選A。

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