Answer:
I think it is A, sorry if I am wrong
I believe that C & D are both very good answers but the choice that i believe to be accurate is actually :
D.) I hereby declare.
I would of said C.) , but it doesn't quite tell you what the speaker is saying or what the vibe is.
This is the answer because you can feel what the speaker is going to say and it is obvious of what the tone of voice is.
I really hope that this is helping you in some way, have a nice day :)
The best answer for this question would be:
The music symbolizes pleasure and relaxation, so it brings a
quietly comfortable, contented mood to the poem.
Music stimulates the emotions of people that listen to it,
when attach to other artstic aspects like poetry it enhances the overall mood.