一道英语选择题 说下理由

问题描述:

一道英语选择题 说下理由
Tenyears ago the forest near our willagewasit is now
A astwice large as B twice as large as
C so twice large as D twice so largeas

B twice as large as
倍数永远放在第一个as 前:倍数+as+形容词+as