Which of the Following Is Kepler's Second Law of Motion

Multiple Choice

Which of the following is Kepler's Second Law of Motion?
​

A) The speed of a planet around the sun is a constant.
B) The speed of a planet varies so that the line joining the sun to the planet sweeps out equal areas in equal time.
C) The planets travel in circular orbits with the sun at the center.
D) The planets travel in circular orbits with Earth at the center.
E) The planets travel in circular orbits with the moon at the center.