Answer: B) Metaphor.
Step-by-step explanation: a metaphor is a figure of speech that consists in making a direct comparison (without using the words "like" or "as") between elements that aren't obviously related, in order to create an image in the reader's mind. In the given excerpt from "Hope is the Thing with Feathers" by Emily Dickinson, we can see an example of a metaphor that compares hope to a bird (a thing with feathers that perches in the soul and sings).