During a home visit, the mother of a 1-week-old infant son expresses concern about her baby getting enough breast milk. At 1 week of age, a well-nourished newborn should exhibit:
A) Weight gain sufficient to reach his birth weight
B) A minimum of three bowel movements each day of soft, yellow, seedy stools
C) Approximately 10 to 12 wet diapers each day
D) Breastfeeding at a frequency of every 4 hours, or about 6 times each day