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
A person wants to visit a malaria endemic area of low level chloroquine resistant falciparum malaria.The best chemoprophylaxis is - 
Select and explain. 
A. Chloroquine, B. Proguanil + Pyrimethamine, C. Sulfadoxine + Pyrimethamine, D. Mefloquine
D: Mefloquine
Answer: D: Mefloquine 
Explanation: None