【题目】 Teenage is an especially important stage for us, ______we are supposed to go all out to improve ourselves because anything can happen.
A. what B. where
C. which D. that
在线课程【答案】B
【解析】
试题分析：句意：少年阶段对于我们来说尤其重要，在这个阶段任何事情都能发生所以需要我们全力以赴去提高我们自己。此处stage是先行词，where相当于on which在定语从句中作状语，故选B项。