A major issue was put forward by some representatives at the conference ____ the teachers in the remote areas were under

问题描述:

A major issue was put forward by some representatives at the conference ____ the teachers in the remote areas were underpaid.
A.whether\x05B.at which\x05C.where\x05\x05D.that
为什么

是D啊同位语从句that引导,that后的内容为issue的内容
issee 后的was put forward by some representatives at the conference 是用来修饰issue的,直接拿掉就好了.