Which of the Following Pieces of Advice Will Help You

Which of the following pieces of advice will help you use paragraphing to your best advantage?

A) Ensure that the different bits of information within each paragraph are logically related to each other.
B) Keep paragraphs long to make them appear sophisticated and business-like.
C) Avoid using topic sentences.
D) Limit the use of transitional words to keep paragraphs concise and professional.
E) Ensure every paragraph introduces one new topic or idea.