Why Is It an Advantage for a Female Cardinal to Choose

Why is it an advantage for a female cardinal to choose a brightly colored male as her mate?

A) A brightly colored male is less attractive to predators.
B) Brightly colored males are able to camouflage the nest with their red feathers.
C) Brightly colored males are healthier and more likely to produce healthy offspring.
D) A brightly colored male sings the loudest.
E) A brightly colored male will help her raise their offspring.