I need to advertise for a roommate for next term.? Mary is interested.A. Why bothe

问题补充：

--- I need to advertise for a roommate for next term.

--- ? Mary is interested.

A. Why bother

B. Why not

C. So what

D. What for

答案：

(答案→)A. Why bother

B. Why not

C. So what

D. What for

解析：考查交际用语。A为什么要麻烦呢？B为什么不？C那又怎么样？D为了什么？句意：—我要登广告寻找下学期的室友。—为什么要麻烦呢？Mary就很感兴趣。根据Mary is interested.说明不要麻烦了，Mary就是现成的人选。故A正确。