This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous system, Subject name: Pharmacology
[{'content': 'Preferred drug for alcohol withdrawal seizures is: \nSelect and explain. \nA. Diazepam, B. valproate, C. Phenobarbitone, D. Carbamazepine', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Benzodiazepines (Chlordiazepoxide,diazepam) are the preferred drugs due to long duration of action and can be gradually withdrawn later. Ref KD Tripati 8th ed.', 'role': 'assistant'}]