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': 'Number of line angles and point angles are seen in class 4 cavity are respectively: \nSelect and explain. \nA. 3 & 6., B. 4 & 8., C. 6 & 11., D. 8 & 14.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]