If the Force of Gravity Exerted on the Sun by Earth

Multiple Choice

If the force of gravity exerted on the Sun by Earth is the same as the force exerted by Earth on the Sun, why does Earth orbit the Sun, and not the other way around?

A) Earth is less massive, and is accelerated more by the gravitational force and moves faster.
B) Planets, by definition, orbit the Sun, and not the other way around.
C) They each orbit around the geometric center of the system.
D) The combined gravitational forces of all the planets keeps the Sun at the center of the Solar System.
E) None of these choices is correct.