An author uses repetitive use of "s" sound to help the reader understand the text better. It also adds rhythm which can help the structure of the author's text.
Answer: D
The answer is D because the information following "message" is the message. A colon is appropriate (as used in D) when the information after the colon describes or represents the word or phrase that comes before the colon.
I'm not completely ure but I think it is to explain why Pip and Joe have a close relationship.
It can identify your target audience
Creating an audience profile, you will be able to see the social and economic characteristics of your audience, that will allow you to identify your target audience.