The man put out the cigarette when that smoking was not allowed on the train.
A. reminding
B. reminded
C. to remind
D. being reminded
网友回答
A. reminding
(答案→)B. reminded
C. to remind
D. being reminded
解析：考查状语从句的省略：句意：当被提醒抽烟在火车上不被允许的时候，这个人把香烟灭了。当主从句的主语一致的时候，可以省略从句的主语和be动词，原句应该是The man put out the cigarette when he was reminded that smoking was not allowed on the train.省略he was后，选B。