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
Cailage in trachea ? 
Select and explain. 
A. Hyaline, B. Elastic, C. Aicular, D. Fibro
A: Hyaline
Answer: A: Hyaline 
Explanation: Ans. is 'a' i.e., Hyaline