--Hi, Tracy, you look tired.
--I am tired. I the living-room all day.
A. painted
B. have been painting
C. had painted
D. have painted
网友回答
A. painted
(答案→)B. have been painting
C. had painted
D. have painted
解析：本题是对动词时态的考查。解此题的关键是抓住答语中的aⅡday，而D项只表示动作已经完成，没有强调一直做。