is shown in the report, teenager problems are often connected with family lifeeducation.
A. Which
B. As
C. It
D. What
网友回答
A. Which
(答案→)B. As
C. It
D. What
解析：考查非限制性定语从句。本题中的关系代词as指代后面一句话的内容，在句中做主语，引导非限制性定语从句。句意：正如报告中说明的那样，年轻人的问题常常与家庭教育有关。Which引导的非象征性定语从句不能放在句首。CD两项不能引导非限制性定语从句。故B正确。