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
Number of line angles and point angles are seen in class 4 cavity are respectively: 
Select and explain. 
A. 3 & 6., B. 4 & 8., C. 6 & 11., D. 8 & 14.
C: 6 & 11.
Answer: C: 6 & 11. 
Explanation: None