---This is my treat and next is yours. How’s that? ---Ok, .
A. It doesn’t matter
B. It depends
C. No way
D. It’s a deal
网友回答
A. It doesn’t matter
B. It depends
C. No way
(答案→)D. It’s a deal
解析：句意：上文，这次是我招待，下次轮到你。怎样？下文，好的，就这样说定了。It doesn’t matter没关系；It depends看情况；No way没门；It’s a deal就这样说定了，选D。