问题
选择题
— I need to advertise for a second-hand mountain bike.
— _______？David just plans to sell his present one.
A．Why bother
B．Why not
C．So what
D．What for
答案
答案：A
考查交际用语Why bother没有必要；Why not为什么不；So what那又怎样；What for为何。句意：我需要登广告买一辆二手的山地车。没必要，戴维正要把他那辆卖掉呢。选A。