第18题: [单项选择]Sedative-hypnotic drugs are used to treat which of the following problems A. Hallucinations and delusions. B. Anxiety and insomnia. C. Obsessive-compulsive disorder (OCD). D. Attention deficit hyperactivity disorder (ADHD). 参考答案:B 答案解析:Sedative-hypnotic drugs aren't linked to the treatment of a specific disorder. They're used to treat