Living in the central Australian desert has its problems, ______obtaining water

游客2023-11-04 51

问题 Living in the central Australian desert has its problems, ______obtaining water is not the least.

选项 A、for which
B、to which
C、of which
D、in which

答案 C

解析根据题意，所填词应是引导非限制性定语从句的带有介词的关系代词，由句中least作代词暗示对介词of的选择，故答案为[C]。

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