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
The knoop Hardness Number of Microfilled Composite Restorative material ranges from: 
Select and explain. 
A. 50 — 60 KHN, B. 25 — 35 KHN, C. 15 — 20 KHN, D. 40 — 48 KHN
B: 25 — 35 KHN
Answer: B: 25 — 35 KHN 
Explanation: None