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
Preferred drug for alcohol withdrawal seizures is: 
Select and explain. 
A. Diazepam, B. valproate, C. Phenobarbitone, D. Carbamazepine
A: Diazepam
Answer: A: Diazepam 
Explanation: Benzodiazepines (Chlordiazepoxide,diazepam) are the preferred drugs due to long duration of action and can be gradually withdrawn later. Ref KD Tripati 8th ed.