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
Which Organism is "Non Capsulated": 
Select and explain. 
A. Klibesella, B. H. influenza, C. E. Coli, D. Anthrax bacillus
C: E. Coli
Answer: C: E. Coli 
Explanation: E. Coli