Answer:
D. Time, Harvard
Explanation:
A proper noun is defined as the 'name of a particular person, place, organization.'
Time is the name of an American weekly news magazine.
Harvard is the name of a private Ivy League research university in the USA.
People give more detail im not going to repeat me
The underlined section is an explanation of reasoning and it connects the idea by explaining how the evidence relates to the argument.
<h3>What is an Excerpt?</h3>
This refers to the use of a passage to show a part of a larger text that is used to point out certain things.
Hence, we can see that based on the complete text, there is the use of narration to state the use of Camp David as a presidential retreat and it is used for recreation, contemplation, etc.
Read more about structural elements here:
brainly.com/question/25777269
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