—Let's go Dutch for this supper，OK?
—No， this time，as a reward for all your help.
A. it's my treat
B. it's up to you
C. let's talk about it
D. it doesn't matter
网友回答
(答案→)A. it's my treat
B. it's up to you
C. let's talk about it
D. it doesn't matter
解析：考查交际用语：A．it's my treat这是我请客B．it's up to you由你决定，C．let's talk about it让我们谈谈 D．it doesn't matter没关系，句意：今天晚饭我们AA制，好吗？--不，这次我请客，做为你们帮助的回报。选A。