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
All of the following are aerial supply of sternocileidomastoid muscle, except: 
Select and explain. 
A. Posterior auricular aery, B. Occipital aery, C. Thyrocervical trunk, D. Superior thyroid aery
A: Posterior auricular aery
Answer: A: Posterior auricular aery 
Explanation: Posterior auricular aery