17.前50年爆炸性的人口成長means 現在單獨nation的人口數not more than 麻州省 A. ...means...not more than B. ...means...not more than in C. ...means...not more than D. ...results in...not more than E. ...results in...not more than in
作者选E,我觉得应该是D, result in是连词,后面not more than 似乎应该跟that(population) of,不过没有这个选择。。。。大家倾向选啥?