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
Facial bevel, proximal ﬂare and chamfer ﬁnish line in a posterior three quarter crown  imparts: 
Select and explain. 
A. Marginal integrity, B. Structural durability, C. Retention and resistance, D. All of the above
A: Marginal integrity
Answer: A: Marginal integrity 
Explanation: None