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 of thiazides is by ? 
Select and explain. 
A. Inhibiting Na+/Cl- sympoer in DCT, B. Inhibiting Na+/Cl- sympoer in PCT, C. Inhibiting Na+K+2Cl- in ascending limb of loop of henle, D. Inhibiting Na+K+2Cl- in descending limb of loop of henle
A: Inhibiting Na+/Cl- sympoer in DCT
Answer: A: Inhibiting Na+/Cl- sympoer in DCT 
Explanation: Ans. is 'a' i.e., Inhibiting Na+/Cl- sympoer in DCT