How does poe use a sound device in the excerpt?

for i have revell'd, when the sun was bright
i' the summer sky, in dreams of living light
and loveliness,- have left my very heart
in climes of my imagining, apart

a; he uses assonance to add fluidity to his unrhymed verse.
b; he uses alliteration to emphasize the happiness of his recollections.
c; he uses consonance to add harsh emotion to his youthful memories.
d; he creates a cacophony of sounds to bring his dreams to life.