GMAT 考满分题库

OG16 - 语法SC - 128
Scientists have recently found evidence that black holes—regions of space in which matter is so concentrated and the pull of gravity so powerful that nothing, not even light, can emerge from them—probably exist at the core of nearly all galaxies and the mass of each black hole is proportional to its host galaxy.
  • Aexist at the core of nearly all galaxies and the mass of each black hole is proportional to 分析该选项
  • Bexist at the core of nearly all galaxies and that the mass of each black hole is proportional to that of 分析该选项
  • Cexist at the core of nearly all galaxies, and that the mass of each black hole is proportional to 分析该选项
  • Dexists at the core of nearly all galaxies, and that the mass of each black hole is proportional to that of 分析该选项
  • Eexists at the core of nearly all galaxies and the mass of each black hole is proportional to that of 分析该选项
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正确答案: B

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