GMAT Sentence Correction

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Source: OG

Level: 4

Recently implemented "shift-work equations" based on studies of the human sleep cycle have reduced sickness, sleeping on the job, fatigue among shift workers, and have raised production efficiency in various industries.

  • A fatigue among shift workers, and have raised
  • B fatigue among shift workers, and raised
  • C and fatigue among shift workers while raising
  • D lowered fatigue among shift workers, and raised
  • E and fatigue among shift workers was lowered while raising

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