This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hypolipidemic, Subject name: Pharmacology
[{'content': 'Longest actin statin is \nSelect and explain. \nA. Simavastatin, B. Lovastatin, C. Atorvastatin, D. Rosuvastatin', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. (d) Rosuvastatin', 'role': 'assistant'}]