英语语法:( )from the top of the tower,the south foot of the mountain is a sea of trees.A.Seen B.Seeing C Having seen D.To see选什么?有什么语法知识?

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英语语法:( )from the top of the tower,the south foot of the mountain is a sea of trees.A.Seen B.Seeing C Having seen D.To see选什么?有什么语法知识?

英语语法:( )from the top of the tower,the south foot of the mountain is a sea of trees.A.Seen B.Seeing C Having seen D.To see选什么?有什么语法知识?
英语语法:( )from the top of the tower,the south foot of the mountain is a sea of trees.
A.Seen B.Seeing C Having seen D.To see
选什么?有什么语法知识?

英语语法:( )from the top of the tower,the south foot of the mountain is a sea of trees.A.Seen B.Seeing C Having seen D.To see选什么?有什么语法知识?
A
这是作状语的分词短语,逻辑主语是句子的主语 the south foot of the mountain .
用现在分词作状语的情况:
如果句子的主语是作状语的分词短语所表动作的执行者,用现在分词
如:
Sitting at the back of the classroom,he can't see what's on the blackboard clearly.
而如果句子的主语是作状语的分词短语所表动作的承受者,用过去分词
如:
Seen at the top of the mountain,the school looks more beautiful.

答案是A
SEEN from the top of the tower(被动,分词结构) == if / when you look at the south foot(主动,状语从句) - -- - ,

A
被动语态
the south foot of the mountain is seen from the tower.