Question

Her son was accused of cheating by the police, ________ made it difficult for her to go to sleep.

A．what	B．as
C．which	D．where

Answer 1

C

选C　考查定语从句。句意：她的儿子被警察指控犯了诈骗罪，这使她睡不着觉。此处which引导非限制性定语从句，指代前面整个内容。