这个句子的as后面是不是省了主语和be动词?

题目

这个句子的as后面是不是省了主语和be动词?
She says bullies were often bullied themselves as children.

答案

她说,欺凌者可能小时候也经常被欺负.
as 可以做介词和连词
She says bullies were often bullied themselves as (they were) children.
这里就是介词
当补全就是 连词