They talked about things and persons ____ they remembered in th

They talked about things and persons ____ they remembered in the school
A、who
B、which
C、that
D、what
【正确答案】：C
【题目解析】：【考点点击】本题考查定语从句中关系代词的选择。【要点透析】定语从句中的关系代词that常用于:①先行词中含有人和物时;②先行词为 anything, everything,all等词时;③先行词被any,no, every, little,much所修饰时;④先行词被序数词所修饰时;⑤先行词被形容词最高级所修饰时。