An adaptation to arboreal life (tree living) is

The adaptation for arboreal life as it helps in holding tree trunks and branches are opposable thumbs. Arboreal animals live on trees. Hibernation is also called winter sleep; it is characterized by less metabolic activity. 

Adaptation for escaping predators and catching prey is camouflage. Thick skin is present in animals living in very cold surroundings, it acts as an insulator and helps them keep warm.  This kind of adaptation helps the arboreal animals to make a strong grip through which they can climb on trees and hold on to stuff. 

Hence the correct answer is option C.