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