—Would you mind if I turned off the air conditioner?
— . It makes no difference to me.
A. Never mind
B. Not at all
C. Sure, go ahead
D. Why not?
网友回答
A. Never mind
(答案→)B. Not at all
C. Sure, go ahead
D. Why not?
解析：句意：--如果我关掉空调你介意吗?—不介意，对于我来说无所谓的。Never mind没关系； Not at all不介意； Sure与go ahead相互矛盾，不符合语境； Why not?为何不?根据句意故选B。