—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：句意：--咱们今晚AA制去吃晚饭，好吗？--不，这次我请客，来感谢你的帮助。it's up to you由你决定；it's my treat我请客；let's talk about it让我们谈论一下吧。it doesn't matter没关系。根据句意故选B。