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: Medicine
[{'content': 'The drug of choice for the treatment of gonorrhoea in a pregnant patient allergic to beta-lactum antibiotics is - \nSelect and explain. \nA. Piperacillin, B. Ceftiiaxone, C. Spectinomycin, D. Ciprofloxacin', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]