Read the excerpt from the last stanza of "The Turtle."
She can't see
herself apart from the rest of the world
or the world from what she must do
every spring.
Crawling up the high hill,
luminous under the sand that has packed against her skin,
she doesn't dream
Which element of free verse poetry gives structure to this excerpt?

the repetition of a vowel sound
the repetition of a consonant sound
the repetition of a word or phrase
the repetition of stressed syllables