Which of the following sentences would be appropriate to include next in the summary based on Paragraph 3

A．The first rule for dramatic change is about the few people who are responsible for spreading ideas: Connectors, Mavens, and Salesmen．B．Next, this book review is terrible because it needs to focus on how Connectors know a lot of people and never lose contact with them．C．The most important idea is that Salesmen are good at persuading people to do something, and that makes them vital spreaders of ideas．