Final answer:
An author might choose the genre of allegory to convey an old story in a new way because it allows them to symbolically represent the deeper meaning of the story. Hence, C) is correct.
Step-by-step explanation:
An author might choose the genre of allegory to convey an old story in a new way because it allows them to symbolically represent the deeper meaning of the story. Allegories use a tale or fable that appears straightforward on the surface, but hides a more profound message.
By using symbolism and hidden meanings, the author can engage the audience and spark their memory of the old story while promoting a deeper reflection and analysis of the original story's quality and relevance.
Therefore, the best explanation for why an author might choose an allegory as a genre is option C.