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. 104, D. 105 or over
D: 105 or over
Answer: D: 105 or over 
Explanation: Ans. is 'd' i.e., 105 or over