A nurse in a prenatal clinic is teaching a client about nonpharmacological pain management during labor. Which of the following statements by the client indicates an understanding of the teaching?

A. Using an ultrasound picture as a focal point is an effective nonpharmacological distraction technique for managing labor pain. B. Biofeedback requires prior training and is not typically initiated during labor. C. Acupuncture requires a specialist and is not commonly initiated by nurses during labor. D. Transcutaneous electrical nerve stimulation (TENS) is typically used for back pain rather than pelvic pressure.