This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: vitamins, Subject name: Biochemistry
All are antioxidants except 
Select and explain. 
A. Vit A, B. Vit C, C. Vit D, D. Vit E
C: Vit D
Answer: C: Vit D 
Explanation: Antioxidant Vitamin Vitamin E Vitamin C Beta Carotene (Vit A) selenium ref Satyanarayana 4th ed page 661