Answer:
The statement that best defines a circle is:
C. The set of all points that are the same distance from a given point called the center.
A circle is a geometric shape consisting of all the points in a plane that are equidistant from a fixed point called the center. The distance from the center to any point on the circle is called the radius, and the distance across the circle through the center is called the diameter. Therefore, a circle is defined as the set of all points that are the same distance (equal to the radius) from a given point (the center).