Read this sentence from paragraph 2 of “The Bald Eagle: A Point of National Pride.” Although the name might not sound flattering, bald eagles’ heads are not “bald”: rather, they are covered with gleaming, pure-white feathers that develop at about age five.
How does this sentence contribute to a key concept in the text?

A.
It demonstrates that eagles are not as attractive as people might think by using the word “bald.”

B.
It shows that the eagle is the perfect animal for the Great Seal because of its coloration.

C.
It indicates that eagles are slow to mature by pointing out that they have white feathers by age five.

D.
It supports the idea that the eagle is a regal bird by using the words “gleaming” and “pure white.”