16._____ from the top of the tower,the south foot of the mountain is a sea of trees.（陕西卷）

题目

16._____ from the top of the tower,the south foot of the mountain is a sea of trees.（陕西卷）
A.Seen B.Seeing C.Have seen D.To see
选哪个 为什么 我感觉是B啊

答案

the south foot of the mountain是整个句子的宾语 是山被看 所以 空白处得看和山是被动关系 所以应该选择A