The correct option that best contrasts the author's purpose for writing "Wonders at the Winter Camp" with the purpose for writing the article from "Stardust" is:
C. The purpose of the story is to entertain the reader with the author's memory of a time with family, but the purpose of the article is to share facts about meteors.
This option effectively highlights the difference between the narrative intent behind a personal story (entertainment and nostalgia) and the informative intent behind an article (sharing factual information).