Which element of modernist poetry is evident in this excerpt from "The Negro Speaks of Rivers" by Langston Hughes?

I've known rivers:
I've known rivers ancient as the world and older than the
flow of human blood in human veins.

My soul has grown deep like the rivers.

A)The poem uses variations of the meter to affect rhyme.
B)The poem’s sentences flow across stanzas.
C)The poem’s stanzas have varying lengths.
D)The poem uses nontraditional syntax and rhyme scheme.