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 among the following is an angiotensin receptor antagonist? 
Select and explain. 
A. Losartan, B. Enalapril, C. Ramipril, D. Captopril
A: Losartan
Answer: A: Losartan 
Explanation: None