This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Death and postmortem changes, Subject name: Forensic Medicine
[{'content': 'Maggots are not seen before - \nSelect and explain. \nA. 4 hours, B. 12 hours, C. 24 hours, D. 52 hours', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Maggots are larval forms of flies which settle on body within one to two days. They have proteolytic enzymes to penetrate the skin. Dr. Narayana Reddys Synopsis of Forensic Medicine & Toxicology 27 th edition pg. 83.', 'role': 'assistant'}]