10. As part of their therapy, young polio victims learning to live with their disabilities were helped to practice falling during the 1950s, so that they could learn to fall without being hurt. (A) As part of their therapy, young polio victims learning to live with their disabilities were helped to practice falling during the 1950s (B) As part of their therapy, young polio victims learning to live during the 1950s with their disabilities were helped to practice falling (C) Young polio victims learning to live during the 1950s with their disabilities were helped to practice falling as part of their therapy (D) Young polio victims learning to live with their disabilities were helped to practice falling during the 1950s as part of their therapy (E) During the 1950s, as part of their therapy, young polio victims learning to live with their disabilities were helped to practice falling 答案选e,但是搞不清楚时间状语放的位置有什么影响 还有就是as放句首不是要与主语保持一致,那么e中的人作主语好象不合适吧? | 
