Which Action by the Nurse Is the Best When Initiating

Which action by the nurse is the best when initiating guided imagery with a patient as a method to control pain?

A) Suggesting a place where the patient will find peace
B) Guiding the patient toward a most beautiful or peaceful place
C) Asking the patient to use progressive muscle relaxation exercises
D) Asking the patient to take slow, full diaphragmatic/abdominal breaths