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
About pugilistic attitude, untrue is: 
Select and explain. 
A. Due to heat stiffening, B. Antemoem in nature, C. Body assumes a posture of generalized flexion, D. None of the above
D: None of the above
Answer: D: None of the above 
Explanation: None of the above