【单选题】
Living in the central Australian desert has its problems, ______ obtaining water is not the least.
A.for which
B.to which
C.of which
D.in which
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根据网考网移动考试中心的统计,该试题:
18%的考友选择了A选项
8%的考友选择了B选项
55%的考友选择了C选项
19%的考友选择了D选项