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': 'Processing method among the following is/are: \nSelect and explain. \nA. Manual method, B. Monobath, C. Digital processing, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Various processing methods are:\n\nManual\nAutomatic\nMonobath\nDigital processing\nSelf developing', 'role': 'assistant'}]