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
Bacteria helpful in adipocere formation: March 2004 
Select and explain. 
A. Staphyococcus, B. E. coli, C. B. proteus, D. Cl. welchii
D: Cl. welchii
Answer: D: Cl. welchii 
Explanation: Ans. D i.e. Cl. welchii