机经上的一道题，疑惑。

14，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. B

A.     
Elk now live almost solely in the Rocky Mountains, which would make it seem
that elk are mountain dwellers, while 这里which指代了前面全句内容错

B.      
The fact that elk now live almost solely in the Rocky Mountains would make it
seem that they are mountain dwellers, but 正确
            

C.     
It would seem that elk would be mountain dwellers because of their living now
solely almost in the Rocky Mountains, but still because of后面短语复杂 应该用从句 逗号+but后面应该跟全句

D.     
Now living almost solely in the Rocky Mountains, it would seem that elk were
mountain dwellers, although nowing
living现在分词的逻辑主语

E.      
It seems that elk would be mountain dwellers from the fact that they now live
solely almost in the Rocky Mountains, since from the fact that复杂 就像是despite the fact that错一样 since表示原因 而原句表示转折
所以错

我觉得B是错误的，it和they冲突。