Which Instruction by the Nurse Will Assist in the Patient's

Which instruction by the nurse will assist in the patient's understanding of lactulose,an osmotic laxative?

A) "This medication draws water into the intestine and stimulates defecation."
B) "There is increased irritability directly on the intestinal wall."
C) "There is lubrication of the intestinal wall that softens the stool."
D) "There is an effect on the nerves to increase the peristalsis of the intestinal smooth muscle."