The voluminous personal papers of Thomas Alva Edison reveal that his inventions typicallysprang to life not in a flash of inspiration but evolved slowly from previous works.
(A)sprang to life not in a flash of inspiration but evolvedslowly
(B)sprang to life not in a flash of inspiration butwere slowly evolved
(C)did not spring to life in a flash of inspiration but evolved slowly[Perfect]
(D)did not spring to life in a flash of inspiration buthad slowly evolved
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(A)
(B)
(C)did not spring to life in a flash of inspiration but evolved slowly[Perfect]
(D)did not spring to life in a flash of inspiration but
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