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
The most potent diuretic amongst the following is 
Select and explain. 
A. Bumetanide, B. Furosemide, C. Torsemide, D. Ethacrynic acid
A: Bumetanide
Answer: A: Bumetanide 
Explanation: None