When Transitioning from Tube Feeding to an Oral Diet

When transitioning from tube feeding to an oral diet,

A) the formula used for the tube feedings must be given via oral feedings.
B) the tube feeding should be discontinued and an oral diet started immediately.
C) the patient should shift to an oral diet as the volume of the tube feeding is gradually decreased.
D) oral intake should be about 1/3 of estimated nutrient needs when the tube feeding is discontinued.
E) oral intake should not begin until after the tube is removed.