Female Peahens Choose a Male Peacock for Mating Because of the Male's

Female peahens choose a male peacock for mating because of the male's long, colorful tail feathers and their courtship display. This is which type of sexual selection?

A) Intrasexual selection.
B) Robustness selection.
C) Intersexual selection.
D) Cryptic selection.
E) Balancing selection.