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
Porcelain laminate veneers, Maryland bridge maximally get retention through: 
Select and explain. 
A. Composite resin, salinization, acid etching and restoration, B. Composite resin, and etching and salinization, C. Acid etching, salinization and restoration, D. Composite resin, acid etching and restoration
A: Composite resin, salinization, acid etching and restoration
Answer: A: Composite resin, salinization, acid etching and restoration 
Explanation: None