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': 'Which of the following is transmitted by rat urine ? \nSelect and explain. \nA. Leptospira, B. Listeria, C. Legionella, D. Mycoplasma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]