（英语）关于across

题目

（英语）关于across
That bridge ________ this river is the oldest in the town.
A.on
B.through
C.by
D.across
我选了A
估计句意不理解

答案

That bridge across this river is the oldest in the town.
across 表示一种凌驾的概念,是一种横跨的概念,从这边到那边,适用于桥
on 则是单纯的位置概念
在什么之上,如果用on 不就是浮桥了吗?对吗?：）