The voluminous personal papers of Thomas Alva Edison reveal that his inventions typically sprang to life not in a flash of inspiration but evolved slowly from previous works.
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Asprang to life not in a flash of inspiration but evolved slowly
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Bsprang to life not in a flash of inspiration but were slowly evolved
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Cdid not spring to life in a flash of inspiration but evolved slowly
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Ddid not spring to life in a flash of inspiration but had slowly evolved
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Edid not spring to life in a flash of inspiration but they were slowly evolved
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正确答案: C