Question

They are talking excitedly about the writers and their books ________ interest them.

A．who

B．whom

C．that

D．Which

Answer 1

C

试题分析：此处the writers and their books是先行词，先行词既有人又有物，因此用关系代词that。这里that在定语从句作主语。句意：他们正在激动地谈论使他们感兴趣的作者和他们的书。