C. Illustrate
If I am not mistaken!
Hope this helps you!
B, because the colon is used to show an example or list of that subject being spoken about
Answer:
A speech at a rally
Explanation:
People attending a rally are trying to make a viewpoint clear to other people, and to persuade them into taking the side of the ralliers. Because of this, speakers at a rally will want to make their claims and arguments as persuading and acceptable as possible to others. Because they are presenting information in a way that would favor one side over another, they would be biased.
That would be false. You don't want too many quotes