Young ___ he is, he knows what is the right thing to do.
A、that
B、as
C、although
D、however
【正确答案】:B
【题目解析】:本题考查倒装的用法。当as表示“虽然,尽管”引导让步状语从句的时候,其所在分句往往用倒装,将表语前置。though也可这样用。如:Clever as/though he was,he failed in the exam.尽管他聪明,考试却没及格。句意为:尽管他还年轻,却知道什么是正确的事情。