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: Surgery
Urinary tract infection exists when the bacterial count in 1 ml. of midstream specimen of urine is - 
Select and explain. 
A. 100, B. 1000, C. 10
4, D. 10
5
 or over
D: 10
5
 or over
Answer: D: 10
5
 or over 
Explanation: None