The delegates at the Constitutional Convention agreed to A. publicize amendments to the Articles of Confederation as they were made.
B. keep amendments to the Constitution secret from the public.
C. publicize the proceedings and abandon the Constitution.
D. keep the proceedings secret and abandon the Articles of Confederation agreed to

A. publicize amendments to the Articles of Confederation as they were made.

Explanation:

The  Constitutional Convention  was an event held with the purpose of re-vising the original version of the articles of Confederation.

At that time, the convention was created because there were several weaknesses in the original draft of the Articles of the confederation. Specifically relating to the power of the central government.

Each states were invited to sent their representatives to the convention. As the meeting progress, they manage to came up with several adjustments that improve the power of the central government along with a set of additional amendments that created to ensure Citizen's rights. The delegates were allowed to publicize amendments to made sure that all the people that live on each states were made aware of these changes.