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The invention of the cotton gin, being one of the most significant developments of the nineteenth century, had turned cotton cloth into an affordable commodity; it was costly before that.
  • Abeing one of the most significant developments of the nineteenth century, had turned cotton cloth into an affordable commodity; it was costly before that 分析该选项
  • Bhaving been one of the most significant developments of the nineteenth century, turned cotton cloth into an affordable commodity, costly previously 分析该选项
  • Cone of the most significant developments of the nineteenth century, turned cotton cloth into an affordable, however costly previously, commodity 分析该选项
  • Done of the most significant developments of the nineteenth century, turned cotton cloth, which had previously been quite costly, into an affordable commodity 分析该选项
  • Ebeing one of the most significant developments of the nineteenth century, turned cotton cloth from a previously costly commodity to an affordable one 分析该选项
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正确答案: D

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