I would say use of language, but I'm not completely sure.
The <span>sound device used in the following excerpt from "How the Animals Lost their Tails and Got Them Back Traveling from Philadelphia to Medicine Hat" by Carl Sandburg is <u>repetition.
</u>You can see that the fragment <em>which family was </em>is repeated a several times throughout the excerpt, which is why repetition is the correct answer.<u>
</u></span>
No. it can be considered a sentence.