The right answer is indeed letter B) Zora Neale Hurston.
Even though the other writers mentioned were also important figures regarding African-American literature and the fight for freedom and/or respect, Hurston was one of the central figures of the Harlem Renaissance. Her most popular novel was <em>Their Eyes Were Watching God</em>, published in 1937. Hurston wrote about the struggles of being an African-American. She passed away in 1969.