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-Alice, you look puzzled.Haven’t you understood it? -Yes.I of another problem ju

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-Alice, you look puzzled.Haven’t you understood it? -Yes.I of another problem ju

—Alice, you look puzzled.Haven’t you understood it? 

—Yes.I _____of another problem just now.

A.had thought

B.have thought

C.thought

D.was thinking

试题答案

D

考查时态,过去某一时刻正在进行的动作应用过去进行时态,根据题中的时间just now,故用故去进行时态。句意:艾丽斯,你看起来很困惑,你没明白吗?是的,我刚才在想另一个问题,故选D。