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: Surgery
Speech problems in cleft palate patients are due to 
Select and explain. 
A. Lisping of tongue, B. Inability of soft palate to stop air to go into nasopharynx, C. Inability of learning process, D. All of the above
B: Inability of soft palate to stop air to go into nasopharynx
Answer: B: Inability of soft palate to stop air to go into nasopharynx 
Explanation: None