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': "following are the characteristics of Vincent's angina EXCEPT \nSelect and explain. \nA. Ulcerative gingivostomatitis, B. Caused due to malnutrition, C. A symbiotic infection, D. Caused by Leptospira interrogans", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]