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

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. Why bother干吗这么麻烦/不必麻烦了，B. Why not好啊，C. So what那又怎样？D. What for 为什么？句意：--我要打广告找下学期的室友，----干吗这么麻烦/不必麻烦了，Mary有兴趣啊。选A。