The correct answer is D. A journal entry.
Explanation
An article is a text that deals with a certain topic. There are several types of articles, one of them is the encyclopedia article in which you can find objective information on a specific topic such as science, mathematics, geography, history, among others. Another type of article is research in which the author supports a hypothesis on a topic through valid arguments obtained from reliable sources. One of the most common articles journals entries, in which the author deals with a topic and contributes his subjective point of view, it can be a favor or against some phenomenon. Therefore, the correct answer is D. A Journal entry.