This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nucleotides, Subject name: Biochemistry
Arrange the enzymes involved in purine catabolism in sequence: A. Uricase B. Xanthine Oxidase C. ADA D. Purine nucleoside phosphorylase 
Select and explain. 
A. A -C-B- D, B. B -A-D- C, C. D -B-A- C, D. C -D-B- A
D: C -D-B- A
Answer: D: C -D-B- A 
Explanation: None