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