I walked up to the top of the hill with my feiend we enjoyed a splendid view of the lakeA.

问题补充：

I walked up to the top of the hill with my feiend,we enjoyed a splendid view of the lake

A. which

B. where

C. who

D. that

答案：

A. which

(答案→)B. where

C. who

D. that

解析： 四个选项分别表示哪一个、哪儿、谁和那个，根据下文可知前置词为山顶，表示位置，故选B。