Answer:
The answer is option 2. He co-founded and edited a universal encyclopedia titled encyclopédie.
Step-by-step explanation:
Between 1751 and 1766, Denis Diderot and Jean Le Rond D'Alembert carried the creation of the encyclopédie which consisted of 17 volumes. Their objective was to oppose to the Trévoux Dictionary published by the Jesuits and favor the dissemination of the philosophy of the Enlightenment. Diderot resorted to known authors such as Montesquieu, Voltaire, Rousseau, Buffon, Du Marsais and Daubenton, and others less known.