Respuesta :
It is D, because if you saw a simple sentence that said, "They rule the earthly world of men together," you wouldn't know who "They" are. That is why it is dependent, because it is depending on the rest of the paragraph to do its part first. :D
D its a dependent sentence it doesnt have a subject so if you saw it by itself without the context of the rest of the paragraph it wouldnt make sense