Based on the story, the central idea in the passage is D. While there are successful people who dropped out of college, the current leaders in the United States are overwhelmingly college graduates.
It should be noted that a central idea simply means the main idea that's in a story. It's simply what the author wants the readers to know.
In this case, the central idea in the passage is that while there are successful people who dropped out of college, the current leaders in the United States are overwhelmingly college graduates.
In conclusion, the correct option is D.
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