The author's primary purpose in the passage is to A. explain some critics' refusal to consider Raisin in the Sun a deliberately ironic play B. suggest that ironic nuances ally Raisin in the Sun with Du Bois's and Fanon's writings C. analyze the fundamental dramatic conflicts in Raisin in the Sun D. emphasize the inclusion of contradictory elements in Raisin in the Sun E. affirm the thematic coherence underlying Raisin in the Sun