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': 'All are true about cadaveric spasm, except: PGI 12; NEET 14 \nSelect and explain. \nA. Some paicular group of muscles are involved, B. Disappears with rigor mois, C. Occurs 2-3 h after death, D. Involves involuntary muscles', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. Involves involuntary muscles', 'role': 'assistant'}]