—Sorry, I don’t know. I just saw that she _____ it yesterday afternoon.

A. has been doing B. had done

C. was doing D. has done

【答案】C

【解析】

考查根据语境判断正确的时态。

句意：——琳达完成作业了吗？——对不起，我不知道。我只是昨天下午看到她写作业了。根据yesterday afternoon.得知，是过去时，表示那段时间看到琳达做。故选C。