Answer:
c.cerebral and diencephalic structures is the correct answer.
Step-by-step explanation:
A limbic system is a group of brain structures found below the cerebral and diencephalic structures.
There are different important structures in the limbic system :
The limbic system regulates emotional response, behavioral response, autonomic function, endocrine function, regulates reinforcing behavior and also controls memories, body function, arousal.
The limbic system contains a region that can also recognize fear.