Efforts to equalize the funds available to school districts, a major goal of education reformers and many states in the 1970's, has not significantly reduced the gaps existing between the richest and poorest districts.
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Ahas not significantly reduced the gaps existing
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Bhas not been significant in reducing the gap that exists
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Chas not made a significant reduction in the gap that exists
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Dhave not significantly reduced the gap that exists
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Ehave not been significant in a reduction of the gaps existing
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正确答案: D