Answer:
C) “hear the mellow wedding bells” Edgar Allen Poe
Step-by-step explanation:
Assonance is the constant repetition of a vowel sound, it´s also called diphthing, in this case you can hear the "e" sound all through the sentence:
"hear thE mEllow wEdding bElls"
This is often used to set a mood, or to re-inforce some words meaning.