— I hear Kris had an accident as he was riding his bike to school yesterday.
— ? He is always so careful when he is riding.
A. What for
B. How e
C. Why that
D. So what
网友回答
A. What for
(答案→)B. How e
C. Why that
D. So what
解析： A. What for为什么？B. How e怎么会这样？（表示惊讶）C. Why that为什么那样D. So what那又怎样？句意：--我听说Kris昨天在骑车上学的路上出了事故。--怎么会这样？骑车的时候他总是很小心的。选B。