I’m pretty sure it’s C because that’s the one that makes sense
She thinks her childhood since she was carrying on like a kid and she supposes her adolescence and her endeavor to wind up is finished.
The last time she went to Grand Isle she made sense of that she needed to locate her new self once more, yet now she makes sense of that she is finished getting herself.
The first thing refers to assimilation, and the second to accommodation.
She knows that fish live in the water and they swim there, which is why she assimilated that knowledge when she saw an alligator and thought it was a big fish because it lives in the same place fish do. However, once her father explained to her that it is not a fish, she realized that there are some organisms in the water which are not fish, even though they exhibit the same qualities, which is when she accommodated her new knowledge when it came to a frog.
C.Dunbar is both the poet and the speaker.