I think it would be D. The artwork would be successful not just because of what is portrayed, but how it fits the guidelines and how ideas are expressed.
You can always browse the web for royalty free beats that you can use instead of making your own. I personally like songs people can dance to puts everyone in a good mood. :)
I believe it's the idée fixe
OMG THANK YOU SO MUCH HAVE A NICE DAY
