— I hate talking with that guy.Look,he is coming.What should I do?

问题描述:

— I hate talking with that guy.Look,he is coming.What should I do?
— Don’t speak until _____.
A.speaking B.spoken to
C.spoken D.speaking

B
意思是:直到他跟你搭讪你再开口说话
完整的句子应该是:Don’t speak until you are spoken to.
在从句与主句主语相同时,时间状语从句里可以省略从句的主语和be动词,所以这里的you are省略