<span>The French term<u> avant-garde</u> is usually reserved for artists or artworks that challenge existing conventions of art. The individual or works have a tendency to be radical, revolutionary, and/or unconventional in regard to art, culture, and society.</span>
The answer is A) poem
Debussy's Prelude to the Afternoon of a Faun was inspired by Stephane Mallarme's poem "The Afternoon of a Faun". The symphony was intended to serve as an illustration and homage to the poem. Interestingly, Stephane Mallarme did not like the idea of his poem converted to a symphony, believing that his poetry was "music enough".
Artists. <span />
I would say that its true, but let me know how it went.