–Hi, Tom, You look tired.
--Yes, I the room all the afternoon.
A. painted
B. had painted
C. have painted
D. have been painting
网友回答
A. painted
B. had painted
C. have painted
(答案→)D. have been painting
解析：时态考查题。现在完成进行时表示从过去开始一直进行到现在的动作。根据句中的all the afternoon可知“我一直在粉刷房间”所以选D