The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Speech problems in cleft palate patients are due to   (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', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Lisping of tongue \n (B) Inability of soft palate to stop air to go into nasopharynx \n (C) Inability of learning process \n (D) All of the above <> possible answers', '  Speech problems in cleft palate patients are due to <> context@']