Jim, there is someone in the office would like to speak with you.A. who B. which C. whom

Jim, there is someone in the office would like to speak with you.
A. who B. which C. whom

解析：句意：吉姆办公室里有人想和你说话。定语从句用来充当句中定语的结构，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。先行词是不定代词，指人。在从句中做主语，故选A。

这个解释是对的