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': 'Enteropathogenic E. coli - \nSelect and explain. \nA. Causes acute gastroenteritis in infants, B. Invades intestinal epithilium, C. Produces cholera like toxin, D. It is Non-motile', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Causes acute gastroenteritis in infants", 'role': 'assistant'}]