Are you asking for any quote from the book or?
Lithe in this sentence means, like, a small slender body. Lithe means slender or thin. "Although Amelia was slender or graceful, her sister was clumsy and awkward."
D.Ethos, or an appeal to ethics
Ethos appeals to one's character.
Answer:
It shows how the author feels towards the subject of the poem.
Explanation:
The attitude the author has toward the subject dictates the mood of the poem.