—I have got a headache.

—No wonder. You __________ in front of that computer too long.

A. work  B. are working

C. have been working    D. worked

. C。


解析:

由于在電腦前工作太久,所以導(dǎo)致了現(xiàn)在頭痛的結(jié)果,故空格處應(yīng)填現(xiàn)在完成時或現(xiàn)在完成進(jìn)行時,即答案選C。

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