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
Sequestrated lung is supplied most commonly by - 
Select and explain. 
A. Bronchial arteries, B. Descending aorta, C. Subclavian artery, D. Intercostal arteries
B: Descending aorta
Answer: B: Descending aorta 
Explanation: None