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
Anterior Spinal aery is a branch of ? 
Select and explain. 
A. Internal Carotid aery, B. Basilar aery, C. Veebral aery, D. Labyrinthine aery
C: Veebral aery
Answer: C: Veebral aery 
Explanation: C i.e. Veebral aery