Japanese Researchers Who Attempted to Lure Macaque Monkeys Out into the Open

Japanese researchers who attempted to lure macaque monkeys out into the open by scattering sweet potatoes on the beach observed ____________.

A) entirely new patterns in the daily lives of the monkeys
B) very little change in the daily lives of the monkeys
C) new behaviors on the part of the adult male monkeys, but no change in the behaviors of the adult females or babies
D) new forms of food preparation, but few other changes in the monkey's activities