Maria has written two novels, both of _____

试题详情及答案解析

Maria has written two novels, both of ______ have been made into television series.

A．which

B．that

C．them

D．it

答案：A

试题分析：考查非限制性定语从句。句中有逗号，说明是非限制性定语从句，排除C、D；that不用于非限制性定语从句，且不用于介词后，排除B，both of which指的是那两本小说，相当于and both of them，故选A。
考点：考查非限制性定语从句