She was one of the founders of the National Association for the Advancement of Colored People (NAACP). Over the course of a lifetime dedicated to combating prejudice and violence, and the fight for African-American equality, especially that of women, Wells arguably became the most famous Black woman in America.
They're both definitely unreliable, but the second answer(B) it doesn't seem like the narrator of "The Black Cat" seems insane, so I'm gonna think its D. I might be wrong though...