The correct answer is B. Forum
Explanation
A Forum is a communicative situation in which people discuss and analyze a topic of common interest by exchanging ideas and providing evidence or information about a topic. This interaction and process are usually led by a moderator. Additionally, due to the development of technologies, today forums can take place in digital environments, which means people can interact, give their opinions and provide information from all around the world. This source is the one Fred can use because through a forum he can gather information about people's opinions about the influence of television in political decisions. So, the correct answer is B. Forum.
