The Nurse Is Caring for a Post-Myocardial Infarction (MI)patient

The nurse is caring for a post-myocardial infarction (MI) patient.The patient questions the reason for a stool softener and denies constipation.Which statement indicates that the patient accurately understands the nurse's teaching?

A) "Stool softeners help me keep from straining during bowel movements, which can lower my heart rate."
B) "Stool softeners help me to get rid of extra wastes that can harm my heart."
C) "Stool softeners help reduce swelling that can increase work on my heart."
D) "Stool softeners help to reduce discomfort from gas pains."