— Let's have a game of tennis; the loser has to treat the other to a hot dog.
— .
A. I'm afraid so
B. It's a deal
C. You've got a point
D. My treat
网友回答
A. I'm afraid so
(答案→)B. It's a deal
C. You've got a point
D. My treat
解析：句意：--让我们来一场网球比赛吧，输的人请客吃热狗。--一言为定。I'm afraid so恐怕是这样的；It's a deal一言为定；You've got a point你抓住重点了；My treat我请客。根据句意故选B。