The answer is D. Most desert animals are nocturnal. The exception here in the desert where I live is lizards and birds. They're all over the place during the day. But if you go out into the desert at night you can find rattlesnakes, rabbits, foxes, scorpions, kangaroo rats, and all sorts of critters.
I would believe the answer to be positive punishment, because this punishment teaches the child that eating his vegetables is good and can be rewarded.
