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
[{'content': 'Delirium tremens is characterized by confusion associated with - \nSelect and explain. \nA. Autonomic hyperactivity and tremors, B. Features of intoxication due to alcohol, C. Sixth nerve palsy, D. Korsakoff psychosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Automatic hyperactivity with tremors occurs in delirium.', 'role': 'assistant'}]