----, such animal foods typically contribute only a small percentage to their annual diet, most of which is made up of ripe fruits.
A) Because several species of primates show the ability to digest high-protein foods
B) Even if many smaller monkeys get as much as 65 percent of their diet from concentrated plant foods such as leaves and grasses
C) Though wild chimpanzees are known to hunt, kill, and eat small mammals, termites and ants
D) Since some plant-eating animals, such as deer, cows, or rabbits, show the tendency to consume animal proteins
E) Despite most monkeys and apes living in social groups which dictate the types of foods they should consume