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
The major intestinal pathogens which are non-Lactose fermenters are: 
Select and explain. 
A. Salmonella, B. Klebsiella, C. Escherichia, D. Paracolons
A: Salmonella
Answer: A: Salmonella 
Explanation: None