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': 'Methods of heat dissipation from the target, include: \nSelect and explain. \nA. Keeping target inclined at 20°, B. Rotating anode, C. Both 1 & 2, D. None of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Methods of heat dissipation from target:\n\nKeeping target inclined at 20°\nRotating anode.', 'role': 'assistant'}]