单选题 The mother of a new-born asks the nurse how often she should breastfeed her baby. Which of the following responses by the nurse would be best?
A. "Newborns should breastfed at least every 3 hours during the day. "
B. "Newborns should be fed when they cry. "
C. "As long as the baby feeds four times a day, he will get enough. "
D. "Newborns may breastfeed continuously until they stabilize. /