Which Statement Is Correct Concerning the Terms Afferent and Efferent

Which statement is correct concerning the terms afferent and efferent with respect to the nervous system?

A) Afferent refers to the conduction of an impulse outward from the CNS.
B) Both terms refer to conducting impulses outward from the CNS although efferent pathways carry only sensory impulses.
C) Efferent refers to the conduction of motor impulses toward the CNS.
D) Afferent refers to the conduction of sensory impulses toward the CNS.
E) Both terms refer to conducting impulses toward the CNS although afferent pathways carry only motor impulses.