This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: ENT
Rhinolalia clausa occurs in all except 
Select and explain. 
A. Nasopharyngeal polyp, B. Nasopharyngeal carcinoma, C. Cleft palate, D. Nasopharyngeal angiofibroma
C: Cleft palate
Answer: C: Cleft palate 
Explanation: Rhinolalia clausa- Abnormal speech due to obstruction in nose Hyponasal speech Causes: Nasopharyngeal polyp Nasopharyngeal cancer Nasopharyngeal angiofibroma, adenoids Rhinolalia apea Abnormal nasal resonance Hypernasal speech Causes Cleft palate Velopharyngeal insufficiency Congenital sho soft palate