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
In burnt bones, the following can be detected - 
Select and explain. 
A. Arsenic, B. Lead, C. Organophosphorus compound, D. None of the above
A: Arsenic
Answer: A: Arsenic 
Explanation: None