---Hi, Tracy, you looked tired.
---I am tired. I the living room all day.
A. painted
B. had painted
C. having been painting
D. have painted
网友回答
A. painted
B. had painted
(答案→)C. having been painting
D. have painted
解析：考查时态。根据关键词all day说明是在过去一段时间里一直在做的事情，故使用现在完成进行时。故C正确。句意：—Tracy，你好，niiT看上去很累。—我很累，一整天我都在粉刷卧室。故C正确。