This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
Delirium tremens is characterized by confusion associated with: 
Select and explain. 
A. Autonomic hyperactivity and tremors, B. Features of intoxication due to alcohol, C. Sixth nerve palsy, D. Karsakoff psychosis
A: Autonomic hyperactivity and tremors
Answer: A: Autonomic hyperactivity and tremors 
Explanation: A i.e. Autonomic Hyperactivity & tremors