————,the boy really knows a lot a as young as he is b a child as he is c as child he is

问题描述:

————,the boy really knows a lot a as young as he is b a child as he is c as child he is
d young as he is帮我分析一下答案和考点

D
整句意思是:尽管这个男孩很年轻,却知道很多东西.
这是as引导的让步状语从句,采用表语提前的倒装形式.原句可以为:
As he is young,the boy really knows a lot .