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: Medicine
In haemoptysis blood usually comes from- 
Select and explain. 
A. Bronchial veins, B. Pulmonary veins, C. Bronchial arteries, D. Pulmonary arteries
C: Bronchial arteries
Answer: C: Bronchial arteries 
Explanation: None