This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
[{'content': 'Cancer can be prevented by ingestion of- \nSelect and explain. \nA. Beta carotene, B. "VitaminC & E", C. Selenium, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All the above mentioned are antioxidants . Antioxidants reduce the cell damage done by free radicals and reduce the chance of cancer activation . They prevent free radical damage to cells and improves immune function Ref Harrison 20th edition pg 98e', 'role': 'assistant'}]