The answer is B. It cannot be A since in Gordimer's "Occasion for Loving" Gideon conveys a Black character who openly struggles with his White relationships. He knows he will never have freedom to love Ann. It cannot be C since in "The Lying Days" traces of how her own mother took care of Black African children with her own daycare center were highlighted.
Letter B is denied in "No Time Like the Present" wherein Steve and Jabu fight against the poor education system the South African government offers.
Just watch this video it will help https://www.khanacademy.org/math/algebra/introduction-to-algebra/alg1-manipulating-expressions/v/combining-like-terms-and-the-distributive-property