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
Which component of diet effects plaque composition 
Select and explain. 
A. Carbohydrate, B. Mineral, C. Protein, D. Fats/lipids
A: Carbohydrate
Answer: A: Carbohydrate 
Explanation: None