This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical Entomology, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following is an anti-adult mosquito insecticide? \nSelect and explain. \nA. Paris green, B. Mineral oil, C. Fenthion, D. DDT', 'role': 'user'}, {'content': "Answer: D \nExplanation: Anti adult mosquito measures: DDT BHC Malathion Pyrethrum extract: 'nerve poison'. Anti-larval measures : Paris green mineral oil Fenthion.", 'role': 'assistant'}]