英语阅读（1个问）急,最好带解析!

英语阅读（1个问）急,最好带解析!
In 1638,John Harvard donated some money and about four hundred books
to a new university.This was the beginning of the library at Harvard University.
The gift was so important that the university was named for John Harvard.
　　Thomas Bray began the first free lending library in the late 1600s.He set up
more than 30 or these libraries in the American colonies.However,the idea for
this kind of free library ended when Bray died in 1730.In 1731,Benjamin
Franklin and some friends started the first subscription library in the United
States.In a subscription library people pay money to become members,but they
may borrow the books without paying again.
　　In the United States,every child had a free education.This idea soon led to
free libraries.One of the first libraries that used tax money to buy books was a
library in Peterborough,New Hampshire.This library was set up in 1833.
why is the university Harvard?
A because John Harvard built it
B because it belonged to John Harvard
C because John Harvard helped it build the university
D because John Harvard gave some gifts to the university