The correct answer is A: the consent of the people.
Jefferson makes it very clear that the source of a government's authority is the consent of the people. He uses the phrase "consent of the governed," which means the people (since they are the ones who are governed).
He does not believe a government's authority comes from tradition, the military, or a leader.
<h3>B. The author is unhappy about the changes</h3>
The author is unhappy about the changes to be happened to the Freedom Tower as expressed by him in the lines. He fears that the tower may become bulky if extra security demands are grafted.