During Speech Production,which Suggests

During speech production,which suggests

A) The movement of the vocal folds failed to close the space separating the oral and nasal cavities
B) The movement of the palate and pharynx closed the space separating the oral and nasal cavities
C) The movement of the palate and pharynx failed to close the space separating the oral and nasal cavities
D) The movement of the palate and pharynx accomplished velopharyngeal closure