The correct answer is C. Social media showed the rest of the world what was happening in Egypt during the revolution.
Explanation
The article describes the relationship of social media with the Egyptian revolution, exposing the position of two groups on this issue; On the one hand, a group of people argues that social media played a decisive role in this revolution and that they were the main cause for people to revolutionize. On the other hand, another group argues that social media were not the cause of the revolutionary uprisings, they say that social media were only a tool that contributed to it because over time people had risen without the use of social media. In summary, the article talks about the incidence of social media in the Egyptian revolution. So the correct answer is C. Social media showed the rest of the world what was happening in Egypt during the revolution.