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
Which of the following is an anti-adult mosquito insecticide? 
Select and explain. 
A. Paris green, B. Mineral oil, C. Fenthion, D. DDT
D: DDT
Answer: D: DDT 
Explanation: Anti adult mosquito measures: DDT BHC Malathion Pyrethrum extract: 'nerve poison'. Anti-larval measures : Paris green mineral oil Fenthion.