A) the suprachiasmatic nuclei, the ventricles, and the cerebral cortex. B) the nucleus accumbens, the ventral tegmental area, and the prefrontal cortex. C) the frontal medulla, the cerebellum, and the hypothalamus. D) the optic nerve, auditory nerve, and stapes. E) the presynaptic neuron, postsynaptic neuron, and synapse.