This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Environment and health, Subject name: Social & Preventive Medicine
[{'content': 'Range of flight of Aedes \nSelect and explain. \nA. 1 km, B. Less than 100m, C. 400 m, D. 10kms', 'role': 'user'}, {'content': "Answer: B \nExplanation: Description: Range of flight: Anopheles 3-5 km Culex 11 km Aedes 100 m Park's Textbook of Preventive and Social Medicine, 25th Edition, Pg 831", 'role': 'assistant'}]