They had talked only for a few minutes _____ they found they wer

分类: 电子商务英语(00888) 发布时间: 2024-08-23 07:54 浏览量: 1
They had talked only for a few minutes _____ they found they were of different opinions.
A、unless
B、while
C、before
D、once
【正确答案】:C