"I listened to them while i ate my breakfast,()a young boy and a man,apparently father and son

问题描述:

"I listened to them while i ate my breakfast,()a young boy and a man,apparently father and son
()里是不是省略了“who are”,这里是不是定语从句

不是从句,只做宾语补语,其同位语的作用,进一步说明宾语的身份