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
Hopewood house study is on 
Select and explain. 
A. people eating large amounts of sugar, B. people eating small amounts of sugar, C. people not exposed to sugar, D. people eating moderate amounts of sugar
B: people eating small amounts of sugar
Answer: B: people eating small amounts of sugar 
Explanation: None