-- Jimmy came close to being killed in a traffic accident the other day. --- ? He was driv

问题补充：

-- Jimmy came close to being killed in a traffic accident the other day.

--- ? He was driving carefully all the time.

A. When

B. What

C. Pardon

D. How

答案：

A. When

(答案→)B. What

C. Pardon

D. How

解析：此处what为感叹词，表示惊奇或不相信。