A. 45 percent more than was added in 1997. B. 35 percent more than was added in 1997. C. 25 percent more than was added in 1997. D. 15 percent more than was added in 1997. 参考答案:B 答案解析:[听力原文]14-17 The world added 2,100 megawatts of new wind energy generating capacity in 1998, a