题目

 Brian arrived at the San Francisco airport two hours before the flight to Paris. He was wearing three shirts, a jacket, two pairs of socks, a pair of shorts, and two pairs of jeans. He was carrying one small backpack, which was very full, but he didn’t have any other luggage. Brian needed to meet a man named Tony before he checked in for his flight. He found Tony near the Air France counter. Tony gave him a round-trip ticket and a small package.   “Give this package to Jean-Paul at the airport in Paris. He will have a sign with your name on it. I think you can find him easily ,” Tony“历史发展的逻辑可能是极具讽刺意味的：一方面，美国无法放弃借助苏联解体的历史契机图谋世界霸权的野心；另一方面，美国越是想称霸，越是无法实现称霸的梦想，美国称霸的结果只会加速与其它世界强国实现世界权力均衡的进程。”该材料表明 A．美国与世界各强国之间势均力敌           B．美国放弃霸权政策奉行单边主义 C．两极格局结束单极世界形成              D．世界格局多极化趋势不断加强