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
The deficiency of which of the following vitamins does
not effect on tooth development 
Select and explain. 
A. Vit - A, B. Vit - D, C. Vit - C, D. Vit - K
D: Vit - K
Answer: D: Vit - K 
Explanation: None