— Let's have a game of tennis; the loser has to treat the other to a hot dog.— .A. I'm afr

问题补充：

— Lets have a game of tennis; the loser has to treat the other to a hot dog.

— .

A. Im afraid so

B. Its a deal

C. Youve got a point

D. My treat

答案：

A. Im afraid so

(答案→)B. Its a deal

C. Youve 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。Im afraid so恐怕是这样的；Its a deal一言为定；Youve got a point你抓住重点了；My treat我请客。根据句意故选B。