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: Pathology
Moeller’s glossitis or Hunter’s glossitis is seen in 
Select and explain. 
A. Niacin, B. Riboflavin, C. Vitamin B12, D. All of the above
C: Vitamin B12
Answer: C: Vitamin B12 
Explanation: None