This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Which of the following fat-soluble vitamin is cell membrane component and antioxidant? \nSelect and explain. \nA. Vitamin E, B. Vitamin C, C. Vitamin A, D. Vitamin K', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vitamin E Is the Major Lipid Soluble Antioxidant in Cell Membranes & Plasma Lipoproteins', 'role': 'assistant'}]