Which of the following statements about the movement of planets is true?A. A planet's orbit is elliptical with the Sun at one of two focal points.B. The orbit of a planet is circular with the sun in the center.C. The orbit of a planet is elliptical with another planet in one of the two center-points.D. The orbit of a planet is circular with another planet in the center.

• A. A
• B. B
• C. C
• D. D