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
Dental plaque is formed by reaction of enzymes on: 
Select and explain. 
A. Sucrose and lipids, B. Glucose and proteins, C. Glucose and lipids, D. Sucrose and saliva
D: Sucrose and saliva
Answer: D: Sucrose and saliva 
Explanation: None