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
Common carotid artery divides to ICA & ECA at: 
Select and explain. 
A. Cricoid cartilage, B. Thyroid cartilage, C. 1st tracheal ring, D. Cricothyroid membrane
B: Thyroid cartilage
Answer: B: Thyroid cartilage 
Explanation: None