Donna's doctor recommends that she breast feed her newborn. research conclusively indicates that breast-feeding has several positive outcomes for the mother, including a:

Breastfeeding can have positive effects on mother, includin those shot-lasting positive effects like the production of oxytocin that can help mother feel more relaxed and calm and help a uterus return to its prepregnancy state.When it comes to long-lasting effects, it is shown in some studies that breasfeeding can reduce the incidence of ovarian, breast and uterine cancer.

as the gila monster consumes the eggs or young of the desert cottontail and gambel's quail, thus its main food supply is only accessible for a restricted time duration every year. however, for this, the gila monsters exhibit three adaptations, which elevate their survival rate in the desert condition.  

first, is that they possess huge bodies, and can consume greater concentrations of food during a small period. secondly, they require to feed infrequently as they can accumulate fat in their tails. ultimately, their rate of metabolism is very low, so that they can burn their reservoirs of fat gradually.  

i think the answer is b.