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 of the following organism is most commonly associated with urinary tract infection in Healthcare facility? 
Select and explain. 
A. Staphylococcus epidermidis, B. Staphylococcus aureus, C. klebsiella, D. Streptococcus
C: klebsiella
Answer: C: klebsiella 
Explanation: Different type of such healthcare infection and their most common causative organism:-