Respuesta :
Answer: Never list a single subtopic without a second subtopic.
Explanation:
Penn Foster
One important rule of outlining is Never to list a single subtopic without a second subtopic. Thus the correct answer is D.
What is outlining?
The major ideas of an essay are listed in a structured outline. To provide knowledge about the argument, supporting evidence, and a conclusion, one should outline the topic and subtopics.
Never list one subtopic without mentioning another. Everything has at least two components when it is divided. So, if a primary part is divided, at least two subdivisions must be created.
Therefore, option D is appropriate.
Learn more about outlining, here:
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