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
In Wharfe assessment of impacted third molars, "A" stands for: 
Select and explain. 
A. Axis of rotation, B. Application of elevator, C. Amber line, D. Angulation of 3rd molar
D: Angulation of 3rd molar
Answer: D: Angulation of 3rd molar 
Explanation: None