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
Drug not used in chloroquine resistant malaria is : 
Select and explain. 
A. Sulfadoxine–pyrimethamine, B. Fluoroquinolones, C. Quinine, D. Artemisinins
B: Fluoroquinolones
Answer: B: Fluoroquinolones 
Explanation: None