- Look! Somebody the sofa.-Well it wasnt me. I didnt do it.A. is cleaningB. was cleanin

问题补充：

- Look! Somebody the sofa.

-Well, it wasn me. I didn do it.

A. is cleaning

B. was cleaning

C. has cleaned

D. cleans

答案：

A. is cleaning

B. was cleaning

(答案→)C. has cleaned

D. cleans

解析：句意：看！有人打扫了沙发。恩，不是我，我没有打扫。根据句意，表示已经打扫了，用现在完成时表示对现在造成的影响，故选C