He came back late,( )all the guests had already left.A after which time B by which time C at when D during that time 我刚才网上收了一下,有很多答案,选哪个,和为什么?

问题描述:

He came back late,( )all the guests had already left.
A after which time B by which time C at when D during that time 我刚才网上收了一下,有很多答案,选哪个,和为什么?

他回家就很晚了,那个时候,所有的客人都已经离开了.after 表示在…之后;during在…期间;when不能和介词连用;选第二个,译为在那个时候