Which of the following is the most precise definition of a line segment based on the notions of "point" and "line"? A. A line segment is a figure composed of two points and a line. B. A line segment is a portion of a line that lies between two points C. A line segment is a portion of a line that connects two distinct points on the line without extending beyond them D. A line segment is composed of all the points on a line that are greater than a distance d from a given point not on the line