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': 'Rat bite fever may be caused by -a) Leptospira canicolab) Streptobacillus moniliformisc) Borrelia recurrentisd) Spirillum minus \nSelect and explain. \nA. c, B. d, C. ab, D. bd', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]