I felt a surge of pity,and relief.Pity because,as beautiful as they were,they were outsiders,clearly not accepted.

问题描述:

I felt a surge of pity,and relief.Pity because,as beautiful as they were,they were outsiders,clearly not accepted.
Pity because,这是个什么表达形式?

Pity because 前面省略了 I felt
(I felt) pity because ...因此这里 pity 应为表语,because...作原因状语.
全句:我突然感到同情,同时也松了一口气.(我感到)同情是因为尽管他们这么美丽,但他们只是外来人,明显是不被接受的.