When you visit the zoo, if you are lucky, you will see proud as a peacock. From the peacock's own point of view, do you think the purpose of proud as a peacock is ()?
Reproductive behavior: behavior related to animal reproduction, such as nesting, courtship, mating, hatching eggs, feeding and so on. proud as a peacock is a courtship behavior of male peacocks to attract female peacocks, which belongs to reproductive behavior.
So choose: C.