They talked for about an hour of things and persons ___

试题详情及答案解析

They talked for about an hour of things and persons ______ they remembered in the school.

A．which

B．that

C．who

D．whom

答案：B

试题分析：考查定语从句。句意：他们回忆起了在学校时的人和事，谈了一个小时。此空后面是定语从句，先行词是things and persons，当先行词即有人又有物时，定语从句由that引导。故答案选B。
考点 : 考查定语从句