Question

【题目】She spoke for an hour without once _________ her notes.
A.preferred to
B.referred to
C.referring to
D.preferring to

Answer 1

【答案】C
【解析】考查固定短语辨析。句意：她在没有看笔记的情况下讲了一个小时。without介词，其后应加动名词，refer to"谈及，提及，涉及"；prefer to"宁愿"。根据题意，故选C。