Today's real borders are not between nations, but between powerful and powerless, free and fettered, privileged and humiliated What is the effect of the rhetorical device that Annan uses in this excerpt?

A. Parallel structure emphasizes the stark differences between the two groups he speaks about

B. Parallel structure highlights the idea that national borders are becoming less important than they were

C. Repetition emphases the responsibility that world leaders have to address the growing divsion between the h gs

D. Repetition highlights the conflics that exst as a result of the growng dvsens between people