instruction:
In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").
question:
A bear hibernates through cold weather because (A) bears get very tired (B) it is gestating young (C) resources are scarce in winter (D) winter is too cold
answer:
C


question:
If you fly from Europe to Australia in December, when you arrive you will most likely want to wear: (A) heavy coat (B) mittens (C) shorts (D) ski mask
answer:
C


question:
What happens to body water when animal activity rises (A) the water decreases (B) it stays same (C) the water increases (D) the water hardens
answer:

A