GWD急问，快考试了。

GWD30　的第41题

Q41:

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.

1. Elk now live almost solely in the Rocky Mountains, which would make it seem that elk are mountain dwellers, while
2. The fact that elk now live almost solely in the Rocky Mountains would make it seem that they are mountain dwellers, but
3. It would seem that elk would be mountain dwellers because of their living now solely almost in the Rocky Mountains, but still
4. Now living almost solely in the Rocky Mountains, it would seem that elk were mountain dwellers, although
5. It seems that elk would be mountain dwellers from the fact that they now live solely almost in the Rocky Mountains, since

答案说是选A。。

我选的是D，虽然BUT有点怪。。但是A中的WHICH好像是指代前面的句子，这种指代不是不可以吗？

D我觉得肯定不对，Now living almost。。。。。，分词开头的句子，要修饰主句的主语。