This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: CNS Tumors, Subject name: Surgery
[{'content': 'The intracranial tumor most likely to be encountered in a middle-aged man with the acquired immunodeficiency syndrome (AIDS) is: \nSelect and explain. \nA. Glioblastoma multiforme, B. Ependymoma, C. Meningioma, D. Lymphoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: DISCUSSION: Primary intracranial lymphomas occur with increased frequency in patients who are immunocompromised, such as recipients of organ transplants and patients with AIDS.', 'role': 'assistant'}]