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: Pathology
[{'content': 'Receptor on neural membrane that induces development of Glioma- \nSelect and explain. \nA. CD133, B. CD33, C. CD48, D. CD44', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Therefore CD133 is also used as a tumor marker in gliomas.', 'role': 'assistant'}]