标题: 求教一个语法问题 [打印本页] 作者: witness236 时间: 2012-4-22 17:29 标题: 求教一个语法问题 33. (26216-!-item-!-188;#058&003085) Like the great navigators who first sailed around the Earth, to gather information about its size and curvature of its surface, new observations have been made by astronomers that show with startling directness the large-scale geometry of the universe. (A) Like the great navigators who first sailed around the Earth, to gather information about its size and curvature of its surface, new observations have been made by astronomers (B) Like the great navigators who first sailed around the Earth for gathering information about its size and also the curvature of its surface, new observations have been made by astronomers (C) Similar to the great navigators who first sailed around the Earth, where they gathered information about its size and the curvature of its surface, astronomers have made new observations (D) Like the great navigators who first sailed around the Earth gathering information about its size and the curvature of its surface, astronomers have made new observations (E) Just as with the great navigators who first sailed around the Earth, gathering information about its size and curvature of the surface, astronomers have made new observations 我想问一下，D选项中的gathering之前没有逗号，而E选项的gathering之前有逗号，这两者有什么不同吗