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
Which of the following is aldosterone antagonist ? 
Select and explain. 
A. Eplerenone, B. Deoxycorticosterone, C. Fenoldopam, D. Furosemide
A: Eplerenone
Answer: A: Eplerenone 
Explanation: None