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
Diagnostic radiology is helpful in all of the following except: 
Select and explain. 
A. Identifying pathosis, B. Determining root anatomy, C. Determining pulp anatomy, D. Determining pulp responsiveness
D: Determining pulp responsiveness
Answer: D: Determining pulp responsiveness 
Explanation: None