—Look! Somebody the sofa.
—Well, it wasn’t me. I didn’t do it.
A. is cleaning
B. was cleaning
C. has cleaned
D. had cleaned
网友回答
A. is cleaning
B. was cleaning
(答案→)C. has cleaned
D. had cleaned
解析：考查时态：句意：---看！有人把沙发清洗干净了。---哦，不是我，我没干。根据答语 it wasn't me 可知清洗沙发是过去做的事，并对现在造成了影响。沙发清洗过了，所以用现在完成时。选C。