What element of modernist poetry is evident in this excerpt from "the negro speaks of rivers" by langston hughes

I think the correct answer from the choices listed  is option C. The element of modernist poetry that is evident in this excerpt from "The Negro Speaks of Rivers" by Langston Hughes is that the poem’s stanzas have varying lengths. This poem is Langston Hughes's first mature poem and the most anthologized poem.

This is a complete adjective clause.