although at times learning a language was frustrating,although at times 在句中是什么成分

题目

although at times learning a language was frustrating,although at times 在句中是什么成分

答案

整个这是个由although 引导的让步状语从句,at times （有时候 ）在从句中作状语
尽管有时候学习外语时间令人泄气的事.
请及时采纳,不懂继续问( 天天在线 ）