请问：that 引导宾语从句，作complain 的宾语 because 引导原因状语从句，修饰ill-treatedy，对吗？

Question

A foreigner living in a Swedish village wrote to the Ombudsman complaining that he had been ill-treatedy the police, simply because he was a foreigner.
that 引导宾语从句，作complain 的宾语
because 引导原因状语从句，修饰ill-treatedy

Answer 1

基本是对的，只有because引导的原因状语从句是直接表示原因的，并不修饰什么成分。