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
The most potent drugs to reduce plasma cholesterol level are: 
Select and explain. 
A. Plant sterols, B. Fibrates, C. Anion exchange resins, D. Statins
D: Statins
Answer: D: Statins 
Explanation: None