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: Social & Preventive Medicine
[{'content': 'Highest amount of vit. C is found in \nSelect and explain. \nA. Orange, B. Lemon, C. Grapes, D. Indian goose berry', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]