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': "Regarding Anopheles mosquito true is all EXCEPT : \nSelect and explain. \nA. Eggs are laid singly on water, B. Larva don't have siphon, C. Wings are spotted, D. Pupa don't have siphon tube", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]