Directions: The following question presents a sentence, part of which or all of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.
Because the financial review covered only the last few fiscal years, and therefore the investigators were unable to determine the extent of possible earlier overpayments.
Reveal answer
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