The following sentence comes from the education reformer Mr. Cai Yuanpei?

A. "The so-called great scholar does not mean a building, but a master."

B. "If we forget everything we have learned When the time comes, the last thing left is the essence of education."

C. "A great scholar is a person who studies profound knowledge."

D. "The way of a great university lies in understanding and virtue. To be close to the people is to strive for perfection"

Correct answer: C