Which of These Motions Is Characteristic of the Four Galilean

Multiple Choice

Which of these motions is characteristic of the four Galilean moons of Jupiter?

A) Each of the four Galilean moons keeps the same face toward the Sun at all times.
B) Each of the four Galilean moons keeps the same face toward Jupiter at all times.
C) The four Galilean moons orbit the planet in the opposite direction to its rotation-retrograde motion.
D) The four Galilean moons orbit the planet in a plane carrying them over both the north and south poles of Jupiter.