—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：考查交际用语：A． It doesn't matter没关系，B． It depends那就看情况而定了，C． No way没门，D． It's a deal成交，句意：这次我请客，下次你请。怎么样？--好的，一言为定。选D。