Which are the main ingredients of this casserole?
Perseverance. Perseverance and working towards and attaining goals are central themes of the novel. Salva is taught the importance of perseverance, never losing hope, and always continuing to work towards his goals, and attain them, by his Uncle Jewiir as they are crossing the Akobo Desert.
we can spell waltz as an waltzes
so the answer is D. waltzes.