Two of Kepler's Laws of Planetary Motion Applied to Earth

Multiple Choice

Two of Kepler's laws of planetary motion applied to Earth are that the radius vector from the Sun to Earth sweeps out equal areas in equal times,and that Earth's orbit is an ellipse with the Sun at one focus.One consequence of these is that

A) Earth must rotate on its axis.
B) the Sun must rotate on its axis.
C) Earth moves at different orbital speeds at different times of the year.
D) Earth's orbital plane lies in the same plane as the orbits of the other planets.