We walked up a mountain to a ridge from we had fantastic views A. thatB. whichC. whatD. w

问题补充：

We walked up a mountain to a ridge from we had fantastic views、

A. that

B. which

C. what

D. where

答案：

A. that

B. which

C. what

(答案→)D. where

解析：考定语从句。本题中定语从句的先行词是a ridge，后面是定语从句中的特殊用法，from where…；句意：我们爬上了一座山到了一个山脊背，从那里我们看见了美丽的风景。Where可以放在介词from 的后面.故D正确。