(d).

Anteroposterior view	Consistency of food
Pharyngeal phase	Amount of bolus	Possible swallowing disorders
Unilateral vallecular residue		Unilateral dysfunction of tongue base
Residue in one pyriform sinus		Unilateral dysfunction of pharynx
Reduced laryngeal movement medially		Reduced adduction
Unequal height of vocal folds
Posture introduced