问题
选择题
Fortunately , the adventurers brought the GPS with themselves, they might have been lost in the desert.
A．of which
B．without which
C．in which
D．about which
答案
答案：B
题目分析：句意：幸运的是，探险者们随身带着GPS，没有它他们可能就会迷失在沙漠中。此处the GPS是先行词，在定语从句中在介词的宾语。故选B。