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
Cartilage of larynx are developed from: 
Select and explain. 
A. 3rd arch cartilage., B. 4th arch cartilage., C. 4&5 arch cartilage., D. 4&6 arch cartilage.
D: 4&6 arch cartilage.
Answer: D: 4&6 arch cartilage. 
Explanation: None