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: Microbiology
Gastrointestinal enteritis necroticans is caused by- 
Select and explain. 
A. Clostridium difficile, B. Clostridium perfringens, C. Cl. botulinum, D. C. Jejuni
B: Clostridium perfringens
Answer: B: Clostridium perfringens 
Explanation: None