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: Surgery
Which of the following aery is most cemmonly used for coronary aery bypass surgery 
Select and explain. 
A. Bronchial, B. Ulnar, C. Phrenic aery, D. Radial
D: Radial
Answer: D: Radial 
Explanation: Radial