I want to know if I ---smoke hereNo.you---.Could you see the sign_英语解答

I want to know if I ---smoke here
No.you---.Could you see the sign NO,SMOKING there
A.can,can't
B.must,can't
C.shall,won't
D.shall,mustn't

人气：151 ℃　时间：2020-02-20 21:01:18

解答

A
怎么可能是D,莫名其妙
首先,回答中肯定只能用can't ,不存在mustn't这种回答
根据语意,问句中要用can表示,我是否可以,而不是我是否一定（要吸烟）