How many conic sections exist in the Earth-Mars transfers? A: Earth-centered parabola orbit B: Sun-centered elliptical orbit C: Earth-centered hyperbola orbit D: Mars-centered hyperbola orbit

To the formulas for the circle(圆) correspond the following formulas for the hyperbola(双曲线).

When a cone is cut by a plane, the intersection of the conical surface of the cone and the plane could be_______.当圆锥被平面切割时，圆锥的圆锥表面和平面的截交线可能为______。 A: Line B: Circle C: Ellipse D: Hyperbola E: Parabola