When Terrestrial Predation Pressures from Snakes and Wasps Are Strong

When terrestrial predation pressures from snakes and wasps are strong, the tadpoles of red-eyed tree frogs should be selected to:

A) hatch only when disturbed by a predator.
B) initiate poison production in order to deter predators.
C) hatch early in the season.
D) hatch later in the season.
E) hatch early if snake predation pressures are stronger than wasp predation pressures.