Many people come to visit the great wall ,______(其中大多数是外国人) 独立主格结构

问题描述:

Many people come to visit the great wall ,______(其中大多数是外国人) 独立主格结构
请解释
解释一下。。我觉得很多都是定语从句啊。。觉得都不对

most of whom are foreigners 定语从句
most being foreigners 独立主格结构