------Let’s go Dutch for this supper, OK?
------ No, this time, as a reward for all your help.
A. it’s up to you
B. it’s my treat
C. let’s talk about it
D. it doesn’t matter
网友回答
A. it’s up to you
(答案→)B. it’s my treat
C. let’s talk about it
D. it doesn’t matter
解析：考察交际用语。A由你决定；B我请客；C我们谈谈吧！D没关系；句意：—这顿饭我们AA制吧！—不，这次我请客。作为你对我的帮助的感谢。根据句意说明B项正确。