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: Microbiology
[{'content': 'MC cause of diarrhea in children of developing country is - \nSelect and explain. \nA. EHEC, B. ETEC, C. EPEC, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Next to Rotavirus, EPEC is the MC cause of diarrhea in children of developing country', 'role': 'assistant'}]