—Tom has been fired by his boss.
— ？As far as I know，he is a hardworking and considerate fellow.
A. Why not
B. How e
C. What then
D. So what
网友回答
A. Why not
(答案→)B. How e
C. What then
D. So what
解析：考查交际用语。根据空处后面的话可知，第二个说话人对对方所说的话表示惊讶，故用How e？“怎么会呢？”。Why not“为什么不呢？”；So what“那又怎么了？”；What then“接下来会怎样？”。