考博考试

试题来源：考博英语-214
【单选题】 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

参考答案：A
网考网解析：
[解析] 题目中which的先行词是problems，在which引导的非限制性定语从句中做介词of的宾语，这时关系代词要置于介词后... 查看试题解析出处>>