A parabola is formed when a plane slices through a cone. Which of the following describes the relationship between the plane and the cone? A: The plane is parallel to the base of the cone.  B: The plane is perpendicular to the base of the cone.  C: The plane is parallel to the slant edge of the cone and intersects the base of the cone.  D: The plane is at a slight angle with respect to the base of the cone, but does not intersect it.

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