The most likely meaning of "perennial" as we take the line into consideration is "enduring," as stated in option C and explained below.
The answer to the meaning of "perennial" is given in the question itself when we are told that the line implies that "America, and all it stands for, is everlasting."
"Everlasting" is something that endures forever, that is infinite. Taking into consideration that the line only presents the adjective "perennial," we can assume "perennial" and "everlasting" are synonyms.
With that in mind, we can conclude that "perennial" means "enduring," as expressed in option C.
Learn more about the meaning of perennial here:
https://brainly.com/question/14760002
#SPJ1