This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Antibiotics, Subject name: Pharmacology
WHO recommended Aemisinin combination therapy include? 
Select and explain. 
A. Atremether plus proguanil, B. Aesunate plus doxycycline, C. Aesunate plus piperaquine, D. Dihydroaemisnin plus piperaquine
D: Dihydroaemisnin plus piperaquine
Answer: D: Dihydroaemisnin plus piperaquine 
Explanation: Aesunate plus mefloquine,aemether plus lumifantrene, aesunate plus mefloquine, aesunate-sulfodoxine-pyremethamine, dihydroaemisnin- piperaquineRef: CMDT 2010/13565