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': 'Opsoclonus as a paraneoplastic manifestation is most commonly seen in \nSelect and explain. \nA. Renal cell carcinoma, B. Colon cancer, C. Hepatocellular cancer, D. Neuroblastoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Opsoclonus affects children more frequently than adults. Screening for occult neuroblastoma is necessary in all patients with opsoclonus.', 'role': 'assistant'}]