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: Pediatrics
[{'content': 'The most common cause of diarrhea in children is – \nSelect and explain. \nA. Vibrio cholerae, B. E. coli, C. Rota virus, D. Pneumococcus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: "Rotaviruses are recognized as the most common cause of diarrhoea\xa0disease in infants and children".\nCauses of acute diarrhea in children', 'role': 'assistant'}]