It was on a cold winter evening his father left home and was never back.
A. where
B. when
C. which
D. that
网友回答
A. where
B. when
C. which
(答案→)D. that
解析：考查强调句型。其结构为：it is/was +被强调的部分+ that ，题中强调的是状语on a cold winter evening，句意：就是在冬天一个寒冷的晚上他的父亲离开了家再也没有回来。所以选D。