问题补充：
----Do you mind if I turn on the radio?
A. You’re welcome
B. Excuse me
C. How can you do that?
D. I ’m sorry, but I do
答案：
A. You’re welcome
B. Excuse me
C. How can you do that?
(答案→)D. I ’m sorry, but I do
解析：考查交际用语。句意：你介意吗我打开收音机？A不用谢，B打搅了，C你怎么能那样做呢？D对不起，我介意。所以选D。
