Answer:
The authors use rhetorical devices to increase the credibility of the essay. This is the most correct answer of all those mentioned because it directly corresponds to ethos, the rhetorical appeal to credibility.
I have read this story so long ago but I think I could say the Scarlet Ibis and Doodle are very similar and that forshadows up to death. When the scarlet ibis died doodle didn't wan't to live doodle only wanted to be with the scarlet ibis The author forshadows by showing If the bird dies doodle dies.
If u r referring to the book The Giver then ur answer is because he drowned in a river and the family need a replacement child to fill in his place.