A 12-month-old child who was diagnosed at birth as having Hirschsprung's disease has been maintained at home under conservative treatment. The parents have brought the child to the clinic for a well-baby examination. After interviewing the child's parents, the nurse concludes that an appropriate treatment regimen is being followed. Which of the following would indicate this?

A Use of tap water enemas and a low-residue diet C Use of isotonic saline enemas and a high-fiber diet B Use of soap suds enemas and a high-fiber diet D Use of isotonic saline enemas and a low-residue diet