Compared to viewing a distant object, viewing an object held within 5 cm of the eye requires a lens that
A) has been flattened, as a result of contraction of the ciliary muscles. B) has been made more spherical, as a result of contraction of the ciliary muscles. C) has been flattened, as a result of relaxation of the ciliary muscles. D) has been made more spherical, as a result of relaxation of the ciliary muscles. E) does not change its shape.