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: Dental
[{'content': 'Diagnostic radiology is helpful in all of the following except: \nSelect and explain. \nA. Identifying pathosis, B. Determining root anatomy, C. Determining pulp anatomy, D. Determining pulp responsiveness', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]