The answer is '<span>B)The writer can then write about a narrow topic important to him or her.'. Because, if you were the audience, wouldn't you be more interested if the speaker wrote about something interesting to you? :)
Hope this helped! If you have anymore questions or don't understand, please comment or DM me. :)</span>
<span>D)This helps the writer identify the types of details and language needed in the writing.
If the audience can't understand what's written then the entire piece of writing is moot. In this instance it doesn't matter so much about what /you/ feel, but rather if you can even write in a way that they'll understand.</span>
