THE VOLUMINOUS PERSONAL PAPERS OF THOMAS ALVA EDISON REVEAL THAT H...

847.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. (A) sprang to life not in a flash of inspiration but evolved slowly (B) sprang to life not in a flash of inspiration but were slowly evolved (C) did not spring to life in a flash of inspiration but evolved slowly (D) did not spring to life in a flash of inspiration but had slowly evolved (E) did not spring to life in a flash of inspiration but they were slowly evolved