GMAT 考满分题库

OG16 - 语法SC - 32
The widely accepted big bang theory holds that the universe began in an explosive instant ten to twenty billion years ago and has been expanding ever since.
  • Athat the universe began in an explosive instant ten to twenty billion years ago and has been expanding 分析该选项
  • Bthat the universe had begun in an explosive instant ten to twenty billion years ago and had been expanding 分析该选项
  • Cthat the beginning of the universe was an explosive instant ten to twenty billion years ago that has expanded 分析该选项
  • Dthe beginning of the universe to have been an explosive instant ten to twenty billion years ago that is expanding 分析该选项
  • Ethe universe to have begun in an explosive instant ten to twenty billion years ago and has been expanding 分析该选项
显示答案
正确答案: A

讨论题目 或 发起提问

|

题目讨论

  • 按热度
  • 按顺序

最新提问