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
Which of the following poison retards putrefaction: 
Select and explain. 
A. Organophosphorus, B. Carbolic acid, C. Oxalic acid, D. Hydrogen-chloride
B: Carbolic acid
Answer: B: Carbolic acid 
Explanation: B i.e. Carbolic Acid