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Yup, it's definitely C because it talks about generations and pride that drove them apart.
The sentence that best explains how the structure of the excerpt supports the author's purpose is It makes a statement about the generation gap that existed in America at the time.
What is generation gap?
A generation gap is commonly perceived to refer to differences between generations that cause conflict and complicate communication, creating a "gap." From their position in the family, and with more life experience than younger family members, grandparents are uniquely poised to see that differences between generations can be positive for all those concerned.
What is the result of generation gap?
Generation gap may turn out to be bad when people refuse to listen to the other generation or reject their ideas completely. This may result in bad and broken relationships. But, even though there may be seemingly great ideological conflicts between different generations, overcoming them and bridging the generation gap is possible.
Thus, the sentence that best explains how the structure of the excerpt supports the author's purpose is It makes a statement about the generation gap that existed in America at the time.
Learn more on this here - brainly.com/question/19652556
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