Which of the following sentences contains an example of antithesis? A. Because thousands of East Germans were fleeing to the West, the government put up a barrier called the Berlin Wall. B. In 1963, John F. Kennedy gave a famous speech at the Berlin Wall, which divided the city of Berlin and symbolized the Cold War. C. Kennedy's speech looked ahead to the day when the two Berlins and the two Germanies would reunify—a day that came 36 years later. D. The Berlin Wall was made of concrete and rock, but the youth of Germany tore it apart like soggy paper in 1989 when the travel bans were finally overturned.