Which of the following statements is consistent with Kepler’s second law? (下列哪一种说法与开普勒第二定律符合?
A.All planets move at the same speed when nearest the Sun. (在离太阳最近时,所有的行星都以相同的速度运动) B.It has the maximum orbital speed when the planet is nearest the Sun. (当行星离太阳最近时,它的轨道速度最大) C.“Equal time, equal area” implies that planets move at constant speed in orbit. (“等时间,等面积”意味着行星以恒定的速度在轨道上运动。) D.Planets always move faster when they are close to the Sun than when they are farther away. (行星靠近太阳时总是比远离太阳时运动得快。)