The author's purpose for repeating the phrase “ what next”? throughout the article is:
C. To show that Edison's early inventions fed to new discoveries by him and other inventors.
<h3>What was the author's purpose for repeating the phrase?</h3>
The author repeated the question throughout the passage because he wanted to show how one discovery fed the interest of the people in seeing another invention that will be even bigger than the former.
He mentioned how the invention of the phonograph by the scientist Thomas Alva Edison led to the question, 'what next?' and then there was the invention of the incandescent bulb which also prompted the question again and many more that followed.
So, the author's intent was to show that the early inventions fed new discoveries.
Learn more about the repetition of phrases here:
brainly.com/question/1059718
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