How clean the room is today!Oh ,yes!Who ____it?A.is cleaning B.will clean C.has cleaned D.had cleaned

问题描述:

How clean the room is today!Oh ,yes!Who ____it?
A.is cleaning B.will clean C.has cleaned D.had cleaned

c

C用完成时,因为它发生今天之前.

C.has cleaned

选C