In this poem by Maya Angelou, we focus on the importance of perseverance and persistence denoted by "still I rise". The poet describes the way people have judged her, the obstacles and adversities in her life and the way she has overcome all this. In this context, we can conclude that while writing this the poet has drawn on her Black heritage: centuries of mistreatment and oppression faced by them. So, option A is the best answer here. The other choices are incorrect because they do not fit the context of the poem.