Which of the Following Is an Example of Character Displacement

Multiple Choice

Which of the following is an example of character displacement?

A) Early in its growing season, scarlet gilia produces red flowers that attract hummingbirds; later in the season, the plant produces white flowers that attract hawkmoths.
B) Large polyphagous herbivores usually eat a wide variety of plants in order to minimize their exposure to the toxins of any one plant.
C) A species of butterfly that is edible by bird predators evolves the color patterns of another butterfly species that is toxic to the predators.
D) Finches in the Galápagos Islands are larger on islands where bees are present because the bees compete with the finches for cactus nectar.
E) None of the above