China has thousands of islands,___Hainan Island is the largest. A.of them B.among which C.thatD.among them应该选哪个?能否说明其他选项错误的理由?谢谢啦~

Question

China has thousands of islands,___Hainan Island is the largest. A.of them B.among which C.that
D.among them应该选哪个?能否说明其他选项错误的理由?谢谢啦~

Answer 1

正确答案：B
此题考查了“介词+关系代词”结构引导的定语从句.
首先判定此句为定语从句,先行词为thousands of islands,A、D无引导词被排除.
其次that是不能引导非限制性定语从句,所以排除C.
B项中,which指代前面的先行词.among：在……之中.为正确答案.