Read the following selection. Williams was "a great preacher" who
preached "a social justice gospel,"
Ridgeway said. Williams founded
one of the first African American
high schools in Atlanta and helped
found the Atlanta chapter of the National Association for the Advancement of Colored People (NAACP). "He really brought Ebenezer to its influence in Atlanta," Ridgeway says.

Why did the author include this information
about Martin Luther King Jr.'s grandfather?

A - to demonstrate the need for civil rights organizations such as the NAACP

B - to describe the king family's long history of
social justice work at Ebenezer

C - to emphasize how Ebenezer’s pastors supported education for Black children

D - to show how King was raised in a church community that supported his work