Questions 11 to 18 are based on the conversation you have just heard.

A．Because he can never find a cheaper one.
B．Because it is hard to find another one around that place.
C．Because it has very convenient facilities.
D．Because he will come back soon.

A．Because his arms are too fat.
B．Because his muscles are not firm enough.
C．Because it is an ideal way to keep physically fit.
D．Because the advice is put forward by the experts.