“They both believed that there was too much focus on structure, so they veered away from it and used conversational language. They differed in that Pound believed in using language precisely and minimally, while Whitman tended towardlonger, wordier verse. ... Sample response: Pound wanted to simplify modern poetry.” Taken from Course Hero.com
It could not be alliteration, since the words should start with the same letter in the same line.
it could be repetition since 'no' is beong repeated.
it could not be assonance, since the vowels are not being repeated with the same sound.
it could not be rhyme, because the words dont sound the same.
so (b) it is.