This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.N.S, Subject name: Medicine
[{'content': 'The drug of choice for absence seizures \nSelect and explain. \nA. Valproate, B. Gabapentin, C. Carbarnazepine, D. phenytoin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: K.D Tripathy essentials of medical pharmacology 7th edition . Valproic acid is the drug of choice for absence seizure.', 'role': 'assistant'}]