题目内容:
M:What are you doing?W:Trying to get this wine stain(污渍) out of the carpet.
M:Hang on. There' s some soda here. It should take the stain right out.
W :Really? Hey, A.it is really functioning.
B.it is really working.
C.it is really playing.
D.it is really influencing.
参考答案:
答案解析: