17. A student is asked to determine the mass of Jupiter. Knowing which of the following about Jupiter and one of its moons will allow the determination to be made?
I. The time it takes for Jupiter to orbit the Sun
II. The time it takes for the moon to orbit Jupiter
III. The average distance between the moon and Jupiter
(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III
(A) I only
(B) II only
(C) III only
(D) I and II
(E) II and III