No, the correct answer should be
After entering the zoo, Madison, and Anthony wanted to feed the animals.
Answer: D. Personification.
Explanation: personification is a figure of speech that consists in giving human characteristics to nonhuman objects. In the given lines from Plath's poem "Edge" we can see a clear example of personification, because he is saying that the feet (nonhuman objects) are saying "We have come so far, it is over" and as we know, speaking is a human characteristic, so the correct answer is option D.
I think this is an epithet convention.