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': 'Lyme disease is - \nSelect and explain. \nA. A mite-borne illness caused by Borrelia burgdorferi, B. A tick-borne illness caused by Borrelia burgdorferi, C. A louse-borne illness caused by Borrelia burgdorferi, D. Non vector-borne illness caused by Borrelia burgdorferi', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]