Lora Is Sick and Has Developed a Fever

 Lora is sick and has developed a fever. Why might this be helpful for her?

A) A slight fever activates the immune system and makes it harder for bacteria to survive.
B) Fever will activate her hypothalamus and her blood pressure will go down.
C) A fever will cause her to feel sleepy so she sleeps more soundly.
D) The fever will cause her to seek out a cooler location that makes it harder to viruses to thrive.