I’ll never understand how it that you were late three times a week.
A. came about
B. came out
C. came across
D. came up
网友回答
(答案→)A. came about
B. came out
C. came across
D. came up
解析：考查短语辨析。came about 发生，came out 开花，came across 偶然发现，came up 提出，句意：我根本不理解你一周迟到三次这是怎么发生的。