Well, sport personalities are usually admired by a lot of people for their fame and talent and money. However, some people on the media may make up things or spread rumors about them, especially if they don't like a certain team they are playing on. This influences people because they sometimes want to achieve their goals or are inspired by something they do. However, how someone influences a person is entirely based upon that person.
Sentence one is the topic sentence because it tells you what the paragraph is about.
C. The source is biased because of its association with the campaign
