Explanation:

Anecdote (Noun): a short amusing or interesting story about a real incident or person.

Sonnet (Noun): a poem of fourteen lines expressing any kind of sentiment.

Epitaph (Noun): words which written or inscribed on the grave or tomb in the memory of the dead.

Elegy (Noun): a mournful poem, a lament for the dead.

Hence, the correct answer is option D.