I wonder ________ they finished so many different jobs in such a short time.

题目

I wonder ________ they finished so many different jobs in such a short time.
A.why B.how C.when D.where

答案

选B,根据句意,可以判断这个空填how,怎样的意思.我感到惊讶他们在如此短的时间内是怎么完成这么多工作的?