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
Mechanism of action thiazide is ? 
Select and explain. 
A. Na+Cl- sympo inhibitor, B. Na+K+ sympo inhibitor, C. Carbonic anhydrase inhibitor, D. Osmotic diuresis
A: Na+Cl- sympo inhibitor
Answer: A: Na+Cl- sympo inhibitor 
Explanation: Ans. is 'a' i.e., Na+ Cl- synpo inhibitor