Final answer:
When blogging, it is important to avoid creating artificial characters, define the blog's focus, and provide links to other content. Hence the correct answer is option A
Step-by-step explanation:
When blogging, you should avoid creating an artificial character who supposedly writes a blog (option A). This can lead to a lack of authenticity and credibility. It is important to define the blog's focus (option B) to ensure clear and consistent content. Providing links to other content on the web (option D) is actually encouraged as it can enhance the discussion and provide evidence supporting the author's claims.