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: Forensic Medicine
[{'content': 'In a 3 month fetus, characteristic feature seen is: NEET 13 \nSelect and explain. \nA. Nails are visible, B. Limbs well formed, C. Anus is seen as dark spot, D. Meconium is found in duodenum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Nails are visible', 'role': 'assistant'}]