Can you imagine how late I went to bed last night？It was nearly 1 am. I finished my artic

问题补充：

Can you imagine how late I went to bed last night？It was nearly 1 a．m. I finished my article.

A. that

B. when

C. before

D. as

答案：

A. that

(答案→)B. when

C. before

D. as

解析：此题考查状语从句。句意：你能想象昨晚我睡觉时是多晚吗？我写完文章的时候已快到凌晨一点了。此题考查了固定句式：It is/was＋具体时间点＋ when从句；before用于It will be/was＋一段时间＋before从句；that用于强调结构It is/was ＋时间状语＋that...。