--- Hi, Tracy, you look tired.
--- I’m very tired. I the living room all day.
A. painted
B. had painted
C. am painting
D. have been painting
网友回答
A. painted
B. had painted
C. am painting
(答案→)D. have been painting
解析：考查时态。根据句意可知起居室一直在粉刷，用现在完成进行时，故选D。