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
Drawback of artesunate is : 
Select and explain. 
A. Poor bioavailability, B. Rapid recrudescence of malaria, C. Hypoglycemia, D. Hemolysis
B: Rapid recrudescence of malaria
Answer: B: Rapid recrudescence of malaria 
Explanation: None