A nurse is teaching a patient who is about to begin drug therapy with orlistat [Xenical]. The patient, whose BMI is 28, has hypertension and type 2 diabetes mellitus. Which statement by the patient indicates understanding of the teaching?

A) "Dark urine and light-colored stools are expected side effects of this drug."B) "I should stop taking this drug once my blood pressure and serum glucose have stabilized."C) "I will need to take a multivitamin containing fat-soluble vitamins every day."D) "If I have fatty or oily stools or fecal incontinence I should stop taking this drug."