Kepler's Third Law, as Derived by Newton from the Law

Multiple Choice

Kepler's third law, as derived by Newton from the law of gravitation, applies

A) to all situations where two objects orbit each other solely under the influence of their mutual gravitational attraction.
B) only to situations similar to planets orbiting the Sun, where the mass of the orbiting body is small compared to the mass of the object being orbited.
C) accurately only when close to the Sun and becomes less accurate with increasing distance from the Sun.
D) only to planets orbiting the Sun.