In the poem "Harlem" by Langston Hughes, which rhetorical device is employed in the passage below?

"What happens to a dream deferred?
Does it dry up
like a raisin in the sun?
Or fester like a sore—
And then run?
Does it stink like rotten meat?
Or crust and sugar over—
like a syrupy sweet?
Maybe it just sags
like a heavy load.
Or does it explode?"

A. Analogy
B. Allegory
C. Repetition
D. Rhetorical