The Idea That Early Hunter-Gatherers Had to Rely on Hunting

The idea that early hunter-gatherers had to rely on hunting animals to feed family members and eat a lot during food availability in case a hunt was unsuccessful supports the hypothesis that

A) human genetics may confer advantages for a tendency toward being underweight.
B) human genetics may confer advantages for a tendency toward being overweight.
C) human culture may confer advantages for a tendency toward being overweight.
D) human culture may confer advantages for a tendency toward being underweight.
E) there is no advantage throughout history for being overweight.