The train arrived twenty minutes late, but we were not told what caused the . http:/
A. delay
B. late
C. slow
D. behind time
网友回答
(答案→)A. delay
B. late
C. slow
D. behind time
解析:词性辨析题。横线部分所需的一定是名词,四个选项中: delay名词,耽误,耽搁;late形容词,迟的,晚的;slow形容词,慢的,迟钝的;behind time副词短语,迟了,故A为正确答案。句意:火车晚点20分钟,但我们没有被告知其晚点的原因。