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
Rigor mois come early in all, except: PGI 14 
Select and explain. 
A. Cholera, B. Heat stroke, C. OPC poisoning, D. Pneumonia
D: Pneumonia
Answer: D: Pneumonia 
Explanation: Ans. Pneumonia