——Hi Steve you look tired.——I am tired. I the living room all the afternoon.A. paintedB

问题补充：

——Hi, Steve, you look tired.

——I am tired. I the living room all the afternoon.

A. painted

B. had painted

C. have been painting

D. have painted

答案：

A. painted

B. had painted

(答案→)C. have been painting

D. have painted

解析：考查时态。句意：嗨，史蒂文，你看起来很累。——我是累了。我正在下午都在装饰我的客厅。可知下文描述的是现在已经完成的过去一直在进行的动作，故用过去进行时态。选C。