Which of the Following Best Explains How Some Animals Survive

Which of the following best explains how some animals survive even in times of extended food shortage?

A) Some animals use torpor, a process of achieving minimal activity and body temperature maintenance, to minimize caloric consumption.
B) Some animals use estivation, which is the process of overeating when food is abundant so that they go into lean month's fat.
C) Some animals elevate their basal metabolic rates to keep them warm in colder months, thereby limiting their need for consuming food.