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: Pharmacology
Which of the following can be given as a single dose antimalarial for P.vivax malaria 
Select and explain. 
A. Atovaquone + Proguanil, B. Artemisinin, C. Quinine + Tetracycline, D. Pyrimethamine + Sulfadoxime
D: Pyrimethamine + Sulfadoxime
Answer: D: Pyrimethamine + Sulfadoxime 
Explanation: None