Parents are taught to be aware of important mental health is to their children.
A. that
B. how
C. what
D. so
网友回答
A. that
(答案→)B. how
C. what
D. so
解析：
试题分析: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。