语法求解析

圆脸嘟嘟嘟

10. Laos has a land area about the same as Great Britain but only four million in population, where many are members of hill tribes ensconced in the virtually inaccessible mountain valleys of the north.
(A) about the same as Great Britain but only four million in population, where many
(B) of about the same size as Great Britain is, but in Laos there is a population of only four million, and many
(C) that is about the same size as Great Britain’s land area, but in Laos with a population of only four million people, many of them
(D) comparable to the size of Great Britain, but only four million in
population, and many
(E) comparable to that of Great Britain but a population of only four million people, many of whom
我想问问咋看出C选项的比较对象错误的？？比较结构不太了解，哪位大神可以总结一下！！谢谢?

AlanHeeee

原句记得划线，看着真累