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: Pathology
[{'content': 'Lipofuschin is an insoluble endogenous pigment, also known as \nSelect and explain. \nA. Lipochrome, B. Wear and tear pigment, C. Aging pigment, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]