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: Pediatrics
Which of the following is used to treat Alkaptonuria? 
Select and explain. 
A. Vitamin A, B. Vitamin C, C. Vitamin D, D. Vitamin K
B: Vitamin C
Answer: B: Vitamin C 
Explanation: In patients of Alkaptonuria, Vitamin C may decrease deposition of brown pigment in cartilage. Hence it is used.