Answer:
D, scholarships and grants
Explanation:
Scholarships and grants are essentially free money. Therefore, they're generally what one would look at first when trying to pay for a higher education.
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In 1989, Japan's Hideaki Tomoyori recited 40,000 digits. The current Guinness World Record is held by Lu Chao of China, who, in 2005, recited 67,890 digits of pi.