请教一道语法题

arry123456

Elk now live almost solely in the Rocky Mountains, which would make it seem that elk are mountain dwellers, while they once ranged over virtually all of the continental United States except for a small strip in the extreme Southwest.
A.Elk now live almost solely in the Rocky Mountains, which would make it seem that elk are mountain dwellers, while
B.The fact that elk now live almost solely in the Rocky Mountains would make it seem that they are mountain dwellers, but
C.It would seem that elk would be mountain dwellers because of their living now solely almost in the Rocky Mountains, but still
D.Now living almost solely in the Rocky Mountains, it would seem that elk were mountain dwellers, although
E.It seems that elk would be mountain dwellers from the fact that they now live solely almost in the Rocky Mountains, since

请问B.中的 it 指代什么啊？   The fact that elk now live almost solely in the Rocky Mountains would make it seem that they are mountain dwellers, but

332

it应该指代 seem that后面的that之后的内容

我可能也是胡说。我做题的步骤是
A 看完后觉得不爽，但是也没觉得哪里错了，留着。
B it可能可以指代the fact 也可以指代 seem that后面内容，模糊
C 句意不对
D it指代什么，不清
E 句意不对

无奈选择A

jiaoguitar

LZ可否介绍一下题目的出处？