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.
I think the answer is "each other" for all of them?
Its a verb that acts as a noun.
the answer is - The narrator understands Dee more than Dee realizes.