请看下面的选择题

题目

请看下面的选择题
--Look at the sign! Smoking is not allowed in the station.
--Oh, sorry, I _____ it.
A.don't notice B. won't notice C.didn't notice D.haven't noticed

答案

C
表示【在对方提醒前】没注意,一旦提醒【没注意】就结束,故一般过去时.
高考要点之一.