The Constitution has been forwarded to the States for ratifying.
Option-A
Explanation:
A Conference on Constitutional Affairs is a forum for adopting new laws and amending the current Constitution. The members of a constitutional amendment are sometimes chosen by the people (sometimes named as "delegates" for a constitutional amendment) though generally not fully or absolutely.
Nonetheless, a new constitution can also be considered a legal reform that is directly elected by the people. The Convention of Philadelphia (1787) was set up to inform the League of Nations of the new plan of the US Government. Nevertheless, an agreement was reached to form a new venture.