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: Biochemistry
Which of the following reduces oxidative stress except 
Select and explain. 
A. Superoxide dismutase, B. Catalase, C. Glutathione peroxidase, D. Xanthine oxidase
D: Xanthine oxidase
Answer: D: Xanthine oxidase 
Explanation: D i.e. Xanthine oxidase