Which Statement Best Explains the "Thrifty Genotype" for the High

Which statement best explains the "thrifty genotype" for the high incidence of type 2 diabetes?

A) The person with a thrifty genotype has an efficient metabolism that generates more energy from less food and is more likely to survive famine.
B) The person with a thrifty genotype conserves the energy lost from the body as heat and requires less rest to perform the same amount of work.
C) The person with a thrifty genotype stores energy rather than expends energy so that more energy is available for survival when food is scarce.
D) The person with a thrifty genotype feels satiety with smaller amounts of food and is less likely to become obese, thus increasing longevity.