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: Social & Preventive Medicine
[{'content': 'Anopheles species for the transmission of malaria in urban areas is \nSelect and explain. \nA. Anopheles culicifacies, B. Anopheles fluviatilis, C. Anopheles sundaicus, D. Anopheles stephensi', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Vector of rural malaria is\xa0Anopheles culicifacies.\nVector of urban malaria is\xa0Anopheles stephensi.', 'role': 'assistant'}]