问题描述：
英语选择题一道（说出原因）悬赏50追加得分
Living in the central Australian desert has its problems, ____ obtaining water is not the least.
A. of which B. for what C. as D. whose
为什么答案是A?
Living in the central Australian desert has its problems, ____ obtaining water is not the least.
Obtaining water is not least 是说可获取水不是最少的，那怎么可能是问题之一呢？
Living in the central Australian desert has its problems, ____ obtaining water is not the least.
A. of which B. for what C. as D. whose
为什么答案是A?
Living in the central Australian desert has its problems, ____ obtaining water is not the least.
Obtaining water is not least 是说可获取水不是最少的，那怎么可能是问题之一呢？
问题解答：
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