I don't think it's any of those answers.
http://www.infoplease.com/encyclopedia/history/annapolis-convention.html
The Annapolis Convention was called to address
smaller states would get more representation than larger states.
the people would select the House of Representatives as a practical expression of democracy.
the House would select the Senate and the legislature as a whole would select the President.
a council made up of the executive and members of the judicial branch had power to veto legislation.
2 answers
http://history.howstuffworks.com/revolutionary-war/annapolis-convention.htm