Question

【题目】This is the bike my mother bought yesterday.
A.that
B.who
C.whom
D.what

Answer 1

【答案】A
【解析】句意：这就是我妈妈昨天给我买的自行车。定语从句用来充当句中定语的成分，被修饰的名词叫先行词，连接主从句的是关系词。关系词分：1关系代词：who , whom , whose , which , that 。2 关系副词：where,when why 等。一般的who 用于指代人的先行词，which 用来指代物的先行词，that既可指认又可指物。根据先行词是物，所以答案是A。