Have you finished the report?　No. I it all this week.A. will do B. had doneC. hav

--- Have you finished the report?
　--- No. I it all this week.
A. will do
B. had done
C. have done
D. have been doing

A. will do B. had doneC. have done (答案→)D. have been doing解析：现在完成进行时可用于表示动作或状态从过去某一时间开始，一直持续到现在，有可能继续延续下去，也可能刚刚结束。本题使用现在完成进行时强调了动作的持续性和未完成性。

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