Catherine's mother doesn’t allow her to go anywhere outside the town ________ another member of

题目简介

Catherine's mother doesn’t allow her to go anywhere outside the town ________ another member of the family is along.

A．without

B．if

C．unless

D．with

题型：单选题难度：中档来源：不详

试题分析：句意：凯瑟琳的母亲不允许她去镇外的地方，除非有家里其他人跟着一起。分析语境可知unless
another member of the family is along为unless引导让步状语从句。故选C。