This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Medical, surgical and gynaecological illness complicating pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'The drug of choice in treatment of typhoid fever in pregnancy is: \nSelect and explain. \nA. Ampicillin, B. Chloramphenicol, C. Ciprofloxacin, D. Ceftriaxone', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ceftriaxone Quinolones are contraindicated in pregnancy Ref. Harrison 17/e p 958,959', 'role': 'assistant'}]