—I’m sorry I didn't make it to your party last night .
—_ _.I know you're busy these days.
A. Of course
B. No kidding
C. That's all right
D. Don't mention it
网友回答
A. Of course
B. No kidding
(答案→)C. That's all right
D. Don't mention it
解析：本题考查交际用语。句意为：对不起，我昨天没到你的party那去，没关系，我知道你忙。选C。