— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?

问题描述:

— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?
— I wonder if I ____ smoke here.— No,you _______.Could you see the sign “No Smoking” there?
选项:
a、can,needn’t
b、shall,won’t
c、must,can’t
d、may,mustn’t

d