I not only want to do well on this test, but I also need to do
well on this test.
Which one of these rhetorical devices is used here?

Read the excerpt below and answer the question. she was a small woman, short and straight-waisted like a child in her brown cotton gown. her forehead was mild and benevolent between the smooth curves of gray hair; there were meek downward lines about her nose and mouth; but her eyes, fixed upon the old man, looked as if the meekness had been the result of her own will, never of the will of another. in at least one hundred words, explain how this excerpt uses explicit and implicit details to describe sarah penn.