This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
Most common cause of UTI in neonate is 
Select and explain. 
A. E.coli, B. S.aureus, C. Enterococcus, D. Anerobes
A: E.coli
Answer: A: E.coli 
Explanation: Different topic Belongs to bacteriology