Question

【题目】Maria has written two novels, both of ________ have been made into television series.

A. them B. that

C. which D. what

Answer 1

【答案】

【解析】此处先行词是two novels，后面是一个非限制性定语从句且介词前置，因此用both of which引导。句意：Maria写了两部小说，两部都被拍成了电视剧。