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
Spread by mosquitoes : 
Select and explain. 
A. Dengue, B. Kala azar, C. Trypanosomiasis, D. Listeriosis
A: Dengue
Answer: A: Dengue 
Explanation: None