I believe the answer is B.
Answer:
<h2>You get a fever because your body is trying to kill the virus or bacteria that caused the infection. Most of those bacteria and viruses do well when your body is at your normal temperature. But if you have a fever, it is harder for them to survive.</h2><h2>HOPE IT HELPS</h2>
Yes because when you want something to be perfect you tend to try and imagine it beforehand so you know what to do perfectly and if you mess up you can imagine punching the person who messed you up :)
I have no idea what the swine flu is, give more detail