—Let's go Dutch for this supper OK?—No this time as a reward for all your help.A. it's u

问题补充：

—Lets go Dutch for this supper, OK?

—No，this time, as a reward for all your help.

A. its up to you

B. its my treat

C. lets talk about it

D. it doesn matter

答案：

A. its up to you

(答案→)B. its my treat

C. lets talk about it

D. it doesn 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。its up to you由你决定；its my treat我请客；lets talk about it让我们谈论一下吧。it doesn matter没关系。根据句意故选B。