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: Anatomy
Blood supply of lungs are: 
Select and explain. 
A. Pulmonary aery, B. Pulmonary vein, C. Bronchial aery, D. All
D: All
Answer: D: All 
Explanation: A. i.e. Pulmonary aery; B. i.e. Pulmonary vein; C. i.e. Bronchial aery