The students spent as much time getting trained as they ____ studying.A、disliked B、were C、had D、did

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The students spent as much time getting trained as they ____ studying.
A、disliked B、were C、had D、did

D did 指代前面的spent

选D。studying 前面是不是还有一个词on

b. 从句用过去进行时。

b