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: Pharmacology
[{'content': 'Ciprofloxacin should not be given to an asthmatic using theophylline because : \nSelect and explain. \nA. Ciprofloxacin inhibit theophylline metabolism, B. Theophylline inhibits ciprofloxacin metabolism, C. Ciprofloxacin decreases effect of theophylline, D. Theophylline induces metabolism of ciprofloxacin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]