Which element of poetry does the poet use to give structure and rhythm to "the turtle”?

repetition
theme
tone
meter

Repetition is the element of poetry does the poet use to give structure and rhythm to "The Turtle." Option A is correct.

Repetition refers to a literary device that repeats the same words or phrases a couple of times in an attempt to shed light on an idea and make it more memorable. There exist numerous types of repetition commonly used in both prose and poetry. Repetition is not only a figure of speech, but  also  a rhetorical device.

all you have to do is draw a line and copy what is on the paper