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: Radiology
[{'content': 'Not a Radioprotector \nSelect and explain. \nA. Amifostine, B. IL-1, C. GM-CSF, D. BUDR', 'role': 'user'}, {'content': 'Answer: D \nExplanation: BUDR is a Non-hypoxic cell Radiosensitizer.', 'role': 'assistant'}]