问题
选择题
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
题目分析：考查定语从句。句意：他们谈论的是他们曾经记得的学校中的人和事。当先行词是 things and persons 即有人又有物时，定语从句用that来引导，故选B项。
考点 : 考查定语从句
