Which statement best describes the force of gravity?

A. Gravity is the force that resists motion. It is dependent upon the surfaces that interact.
B. Gravity is the force that is generated between two objects with a charge. It is dependent upon the charges of the objects and the distance between the objects.
C. Gravity is the force that causes objects to move in a circular motion. It is greater when the objects are farther apart.
D. Gravity is the force of attraction between two objects and is dependent upon the mass of the objects and the distance between the objects.