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
Diuretics that can be used in renal failure is : 
Select and explain. 
A. Furosemide, B. Chlorthiazide, C. Mannitol, D. Chlorthalidone
A: Furosemide
Answer: A: Furosemide 
Explanation: None