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 mortis devolops after death- 
Select and explain. 
A. 1/2-1 hrs, B. 1-2 hrs, C. 3-6 hrs, D. 12 hrs
B: 1-2 hrs
Answer: B: 1-2 hrs 
Explanation: None