This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'A 32-year-old woman who had not received the usual pediatric vaccinations developed fever, headache, malaise, and ear pain accompanied by swelling of the parotid glands. One week later, her fever subsided but she developed pelvic pain and tenderness. With which virus was she infected? \nSelect and explain. \nA. Cytomegalovirus, B. Mumps virus, C. Rabies virus, D. Respiratory syncytial virus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The vignette describes an adult woman with mumps virus (Rubulavirus) (b) infection, or mumps, who develops oophoritis, a complication that occurs in postpubertal females. Cytomegalovirus (a), rabies virus (c), respiratory syncytial virus (d), and rubella virus (e) do not cause this clinical picture.', 'role': 'assistant'}]