This is D., a hyphen. I You would write it as 'old-fashioned'. There would only not be a hyphen if it was 'old fashion' without the 'ed' at the end.
The answer should be( B. Concluding) The paragraph seems to be written as if it is meant to encourage the reader to take the before reading and put it into action. Hope this helps
Answer:
B. So you can use their language
Explanation:
The goal of using a persuasive speech or sentence is to know your type of audience and their perspective. Thus, learning their language. If you know that, you can use it in your speech so that your audience can better understand the concept of what you are talking about. Whether it is a commercial, or a TED Talk.