Answer:
Option D. how recently the article was published.
Explanation:
Online articles are subjected to a lot of scrutiny because of the nature of the sources of the article. Most online articles are suffixed with web page handles and they may change at times. This happens when the page becomes updated or when the contents become edited. In this case, it is therefore necessary that the most recent article be used first so that the most recent information is accessed. For this reason, the access date is included in the article page.
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The central idea is the same as the main idea. Most of the time, the main idea is mentioned in the Title. Without reading the essay, I do not know what the central/main idea is.
C. This stage introduces the main characters, setting, and initial conflicts of the story.