求教PREP中的一道题！

mswlove

The Achaemenid empire of Persia reached the Indus Valley in the fifth century B.C., bringing the Aramaic script with it, from which was derived both northern and southern Indian alphabets.

(A) the Aramaic script with it, from which was derived both northern and

(B) the Aramaic script with it, and from which deriving both the northern and the

(C) with it the Aramaic script, from which derive both the northern and the

(D) with it the Aramaic script, from which derives both northern and

(E) with it the Aramaic script, and deriving from it both the northern and

正确答案是C。但是那个derive怎么没有加s啊，因为the Aramaic script 是单数啊。

leogm

本句是倒装形式，还原后是 both the northern and the southern Indian alphabets derive from the Armaic script

mswlove

恩，谢谢你。我猜也是这样。

但请你能跟我讲下derive from和be derived from的区别吗？我怎么感觉两个意思都是“来源于”呢？