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: Forensic Medicine
[{'content': 'Tattoo marks are not visible during autopsy as confirmed by relatives where tattooing can be check next during autopsy \nSelect and explain. \nA. Skin, B. Blood vessels, C. Liver, D. lymph Nodes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ref : narayanareddy', 'role': 'assistant'}]