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
Drug of choice for UTI caused by pseudomonas is 
Select and explain. 
A. Amoxicillin, B. Amoxiclav, C. Ciprofloxacin, D. Cefixime
C: Ciprofloxacin
Answer: C: Ciprofloxacin 
Explanation: None