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
Internal resorption in a tooth is seen as: 
Select and explain. 
A. Ca(OH)2 pulpotomy, B. Replacement resorption, C. Non-proliferating lesion, D. Desensitizing tooth
C: Non-proliferating lesion
Answer: C: Non-proliferating lesion 
Explanation: None