It looks great! One thing I always struggle with as well is dividing paragraphs. This is important, it looks neater and is professional.
I think you should also add how at first, Hades and Persephone refuse to help, but then Orpheus uses his harp and sings about his grief, which persuades them to help Orpheus.
Good luck!
Answer:
B because... ↓
Explanation:
"...well, just wait and see" is an interrupter, so you could use a comma or a dash.
tips: Maybe an elipises can be used. It can also be split up into two sentences.
Correct:
I am so happy that you got the job that I will... Well, just wait and see.
I am so happy that you got the job that I will---well, just wait and see.
Incorrect:
I am so happy that you got the job that I will well, just wait and see.
I am so happy that you got the job that I will. Well, just wait and see.
This is kind of an unnatural sentence to read and say, but I hope I helped ^_^