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 American diabetes association, HbAlc levels in diabetes patients under control are 
Select and explain. 
A. 4-6mg/dl, B. <7mg/dl, C. 8mg/dl, D. >8gmd/dl
B: <7mg/dl
Answer: B: <7mg/dl 
Explanation: None