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': "Reduvid bug is a vector for the transmission of- \nSelect and explain. \nA. Relapsing fever, B. Lyme's disease, C. Scrub typhus, D. Chaga's disease", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]