Which phrase accurately completes this excerpt from the Constitution? "No person except a _______ Citizen, or a Citizen of the United States, at the time of the Adoption of this Constitution, shall be eligible to the Office of President; neither shall any Person be eligible to that Office who shall not have attained to the Age of thirty-five Years, and been fourteen Years a Resident within the United States." Article II, Section 1, Clause 5, United States Constitution