The correct option is A National Assembly
Louis XVI called a meeting of the Estates General to pass his proposals to increase taxes on 5th May 1789. There the members of the third estate demanded individual voting right, where each member would have one vote. But their proposal was rejected by the king, therefore On 20th June, the representatives of the third estate assembled in the hall of an indoor tennis court in the grounds of Versailles where they declared themselves a National Assembly.