Question

【题目】Do you know the little boy ________ is helping the old man cross the road?.

A. which B. who C. whom D. whose

Answer 1

【答案】B

【解析】

试题分析：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 。如果先行词指人要用who来引导；句意：你知道正在帮助那个老人过马路的小男孩吗？结合句意，故选B