—Didyoustayuplatelastnight?—Notverylate.Itwashalfpastel...

问题详情：

— Did you stay up late last night?

— Not very late. It was half past eleven ________ I went to bed.

A. that                           B. when                       C. before                      D. since

【回答】

B

知识点：连词

题型：选择题