There will be a twenty-minute break during the performance, ______ people can go

题型：不详难度：来源：

There will be a twenty-minute break during the performance, ______ people can go to the restroom or buy some snacks.

A．that

B．where

C．when

D．which

答案

C

解析

这里考查非限制性定语从句，定语从句修饰a twenty-minute break（20分钟的休息时间），所以用when引导定语从句。句意是，在表演中将有20分钟的休息时间，这时人们可以去休息室买点零食。