The application of a new method for analyzing the chemistry of tooth enamel allows scientists to examine molars of prehuman ancestors and determining that their diets were more varied than had been supposed. (A) The application of a new method for analyzing the chemistry of tooth enamel allows scientists to examine molars of prehuman ancestors and determining (B) Through the application of a new method for analyzing the chemistry of tooth enamel, the molars of prehuman ancestors were examined by scientists who determined (C) When they applied a new method for analyzing the chemistry of tooth enamel, scientists examined molars of prehuman ancestors, determining (D) Applying a new method for analyzing the chemistry of tooth enamel, the molars of prehuman ancestors have been examined by scientists, who determined (E) Applying a new method for analyzing the chemistry of tooth enamel, scientists have examined molars of prehuman ancestors and determined 答案是E 但是我想问的是主词是scientists 那後面的their为啥不会 有可能指their 当然按照句意是指prehuman ancestors 可是这样不就有争议了吗?? 还有请问C的 prehuman ancestors, determining 是不是碰到,Ving 都是 who+v改成 ving 感谢 ※ 编辑: lovekyoko 来自: 75.34.35.23 (09/14 07:35)