Milgram found that subjects were more likely to obey in some circumstances than others. Obedience was highest when: Commands were given by an authority figure rather than another volunteer. The experiments were done at a prestigious institution.
The answer I believe is A EDIT: I changed my answer sorry for any confusion. It is A because glucose is also stored away to be used as energy later on when needed.
Answer:
the young grouse cause it crouch motionless near the groundwhen threatened