Which statement best explains the effect of the sestina structure in Elizabeth Bishop's "Sestina"? A. The sestina structure makes the poem feel like it is from the past, which adds weight to the author's words.
B. The sestina structure makes the poem feel like a playful puzzle, but adds nothing to the meaning of the poem.
C. The repetition of the last word in each line creates a reflective rhythm and tone in the poem while also making significant words easily recognizable.
D. The repetition of the last word in each line makes the tone of the poem feel flat and unaffected, suggesting the hopelessness of each of the characters.