What Was the Main Reason the Delegates Conducted the Constitutional

What was the main reason the delegates conducted the Constitutional Convention under a strict code of secrecy?

A) to ensure that delegates could significantly expand the scope of government
B) to best establish a government that would benefit the delegates' personal interests
C) to prevent public opinion from pressuring delegates to avoid certain issues
D) to avoid being targeted by everyday citizens, most of whom supported the Articles of Confederation