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
Xylitol is a low caloric sweetener inhibits the growth of 
Select and explain. 
A. S.mutans, B. S.pyogens, C. Lactobacillus, D. Actinomycosis
A: S.mutans
Answer: A: S.mutans 
Explanation: None