I too am not a bit tamed, I too am untranslatable, I sound my barbaric yawp over the roofs of the world.

Which statement best describes how these lines reflect the general structure of the poem?
Just as the poem has a loose, open structure, these lines display personal freedom.
The lines reflect the difficult and impenetrable nature of certain parts of the poem.
The lines evoke the aggressive tones expressed elsewhere in the poem.
The lines indicate an attention to urban settings expressed elsewhere in the poem.