This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
Best drug among the following for treating hypeension in a diabetic patient: 
Select and explain. 
A. Losaan, B. Propranolol, C. Thiazides, D. All of the above
A: Losaan
Answer: A: Losaan 
Explanation: Losaan is angiotensin II receptor antagonist. They are the preferred drugs for hypeension in diabetic patients as they prevent diabetic nephropathy- microalbuminuria It is available as 50 mg tablet (REF. Essentials of medical pharmacology K D TRIPATHI 8th Edition)