The Mounds Today

The Etowah mounds give scientists a wonderful view of life in America before recorded history. The state of Georgia currently owns the historic site, which many visitors enjoy each year. Future research at the mounds may uncover even more information about American history.
According to the author, what effect do the mounds MOSTLY have on current society?

A) The mounds tell researchers about the Creek tribe.
B) The mounds give information about American history.
C) The mounds give tourists a place to visit in Georgia.
D) The mounds show people how to build ditches for protection.