问题
选择题
Parents are taught to be aware of _____ important mental health is to their children.
A．that
B．how
C．what
D．so
答案
答案：B
题目分析:考查宾语从句。从结构可知介词of后跟的是宾语从句，只有连接副词how可以既能引导宾语从句又能修饰形容词important。故B选项正确。句意：家长应该被教给去意识到心理健康对孩子是多么的重要。
