问题
选择题
---Tom has been fired by his boss．
--- ? As far as I know, he is a hardworking and considerate fellow．
A．Why not
B．How come
C．What then
D．So what
答案
答案：B
这题考查交际用语：Why not 好啊，How come怎么回事， So what那又怎样，句意是：--汤姆被老板解雇了，--怎么回事“据我所知，他是勤奋，考虑周到的人。选B。