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
Maggots in a dead body do not appear before: 
Select and explain. 
A. 4 hours, B. 12 hours, C. 24 hours, D. 48 hours
D: 48 hours
Answer: D: 48 hours 
Explanation: D i.e. 48 hours