Jessica ought to stop work.She has a headache because she _______ too long.

A. read B. is reading?

C. had read D. has been reading?

D?


解析:

本題考查時(shí)態(tài)。從語境看，說明讀了很長(zhǎng)時(shí)間，所以應(yīng)用現(xiàn)在完成進(jìn)行時(shí)，強(qiáng)調(diào)動(dòng)作對(duì)現(xiàn)在造成的結(jié)果。

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