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
[{'content': 'Drug of choice for UTI caused by pseudomonas is \nSelect and explain. \nA. Amoxicillin, B. Amoxiclav, C. Ciprofloxacin, D. Cefixime', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]