――Why haven’t you asked her to come here?

 ――She _______ an important experiment when I found her and she _____ it.

    A. had done ; didn’t finish                                 B. was doing ; hasn’t finished

    C. did ; wouldn’t finish                                     D. hadn’t finished

B

解析：我發(fā)現(xiàn)她時(shí)，她正在做一個(gè)重要的實(shí)驗(yàn)，她還沒(méi)有做完，（所以沒(méi)讓她來(lái)這兒）。根據(jù)句意：第一空應(yīng)用過(guò)去進(jìn)行時(shí)態(tài)，第二空表示的動(dòng)作還沒(méi)完成，故用完成時(shí)態(tài)。

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