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': 'Apart from dental caries, streptococcus mutans can cause \nSelect and explain. \nA. Endocarditis, B. Food poisioning, C. Urinary tract infection, D. Pharyngitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]