This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Larynx, Subject name: ENT
An infant after birth is noticed to have stridor and a hoarse cry. All of the following diagnosis are possible except: 
Select and explain. 
A. Laryngeal web, B. Laryngeal paralysis, C. Congenital laryngeal cyst, D. Laryngomalacia
D: Laryngomalacia
Answer: D: Laryngomalacia 
Explanation: Laryngomalaeia produces stridor but no hoarseness because vocal cords are normal. In other conditions listed at (a), (b) and (c) hoarseness is produced due to involvement of vocal cord. Laryngomalaeia is the most common congenital laryngeal anomaly followed by congenital laryngeal paralysis.