There has been much controversy about the differential effects of breastfeeding and bottle-feeding. In general, the research suggests that ___________.
a. breastfeeding can have a variety of health benefits for both mother and child
b. bottle-feeding may offer more convenience for some mothers
c. there are no significant differences between breastfeeding and bottle-feeding in terms of health outcomes
d. the importance of the bond formed during feeding is crucial for child development regardless of the method used