--- Could you turn the TVdown a little bit?
--- . Is it disturbing you?
A. Yes, no problem.
B. I’m sorry.
C. Not a bit
D. It depends
网友回答
A. Yes, no problem.
(答案→)B. I’m sorry.
C. Not a bit
D. It depends
解析：考查交际用语。A是的，没有问题。B对不起；C一点也不；D看情况而定；句意：—我可以打开电视吗？—对不起。有没有干扰到你？根据句意说明B正确。