Concept:An anecdote is a very brief, interesting story about a real incident or a person.Explanation:A very brief story is specifically called an anecdote.An allusion is only an indirect reference, not a full story.An autobiography is a person's life story written by that same person.An allegory is a longer story with a hidden symbolic meaning.Thus, the option that exactly matches "a very brief story" is anecdote.Answer:D. anecdote