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: Surgery
The difficulty score for an mesioangutar impacted mandibular 3rd molar, Class II and level II is 
Select and explain. 
A. 5, B. 7, C. 10, D. 6
A: 5
Answer: A: 5 
Explanation: None