M：I left my raincoat in my room．I’ll go back to get it．
W：Don’t bother．The rain has stopped．

What does the woman mean by saying that（）

A. The rain is gong to stop very soon.
B. It’s unnecessary to get his raincoat back.
C. The man shouldn’t have left his raincoat in the room.
D. The man should go back to the room immediately.