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: Medicine
According to Misch bone density classification D2 is 
Select and explain. 
A. > 1250 Hounsfield units, B. 350 — 850 Hounsfield units, C. 850 — 1250 Hounsfield units, D. 150 — 350 Hounsfield units
C: 850 — 1250 Hounsfield units
Answer: C: 850 — 1250 Hounsfield units 
Explanation: None