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: Medicine
[{'content': 'Which of the following is the most common cause of meningoencephalitis in children: \nSelect and explain. \nA. Mumps, B. Arbovirus, C. HSV, D. Enterovirus', 'role': 'user'}, {'content': "Answer: D \nExplanation: Answer is D (Enterovirus): Enteroviruses are the most common cause of viral meningoencephalitis. Arboviruses, HSV and Mumps virus are all impoant agents associated with viral meningoencephalitis, but Enteroviruses are the most commonly associated agents and the answer of choice. 'Enteroviruses are the most common cause of viral meningoencephalitis' -", 'role': 'assistant'}]