----thank you for giving me the great present A.don't mention it B.that's all right
问题描述：
----thank you for giving me the great present A.don't mention it B.that's all right
答
选B,Don' mention it.是用于口语的表达,有两种意思,既可以说 不客气,
例如--Thanking you for helping me.--Don't mention it.区区小事,不足挂齿
还可以说某事别提了,一般是不好的事情.