单选题 ______, he knew a lot.
A. As he was young B. Young as he was
C. Young was he D. He was young

【正确答案】 B
【答案解析】本题考查的是as引导让步状语从句时的半倒装用法。也就是将表语部分提前，而其他部分不变，所以选B。本句的意思是：“尽管他很年轻，他却知道很多事。”