Which Statement Best Describes Anticipating and Profiling Your Audience

Which statement best describes anticipating and profiling your audience?

A) If you don't actually know your readers, it is impossible to picture what they are like.
B) Because postings to sites like Facebook and Twitter are so brief and informal, there is no need to anticipate your audience.
C) You should adjust your tone, style, and content to accommodate the expectations and needs of your audience.
D) You should profile your primary audience only.