Answer:
d) Hypothalamus
Explanation:
The hypothalamus is the part of the brain that controls body temperature, as well as other functions like hunger and the homeostasis of the body.
The fornix has more to do with cognitive functions, such as memory, motivation and learning.
The cerebellum controls functions such as coordination and movements.
The midbrain has to do principally with eye and ear functions, processing the stimuli the eye and ear receive.
Juanita is having changes in her body temperature and she's begun to eat more as well as having emotional ups and downs, from the information given above, we can conclude that the hypothalamus is the part of her brain that was more likely damaged.