The way in which this sentence serves the author's purpose is D The author attempts to engage the reader with her topic by addressing the reader directly.
This is because the first sentence of the given passage talks about visualizing the timeline of American music and the different genres and this shows the topic,
What is a Narration?
This refers to the storytelling that is done with the aid of a narrator to show the sequence of events.
Hence, we can see that The way in which this sentence serves the author's purpose is D The author attempts to engage the reader with her topic by addressing the reader directly.
This is because the first sentence of the given passage talks about visualizing the timeline of American music and the different genres and this shows the topic,
Read more about narration here:
https://brainly.com/question/1934766
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