Limbic system is a set of structure in the brain that control
emotion , memories and arousal.
It contain regions, which detect fear , control bodily
functions , and percieve sensory information.
Limbic lobe is the structure that is located at the both sides
of thalamus primarily forebrain.
Option A is incorrect beacuse solitary nucleus is primary
visceral sensory relay station which respond to the stimuli from
respiratory , cardiovascular system etc.
Option B is incorrect because medulla plays an important role
in breathing.
Option C is wrong because function of corpus callosum include
integration of motor, sensory and cognitive performance between on
cerebral cortex on side of the brain to same region of another side
of brain.
Option D is wrong becuse thalamus play a role in relay sensory
signals to cerebral cortex.