Please give me the correct answer. Only answer if you're very good at English. Please don't put a link to a website. Choose the answer that BEST states the central idea of this article.

A: The Egyptian people worked hard to achieve democracy.

B: Social media showed the rest of the world what was happening in Egypt during the revolution.

C: Social media played an important role in the Egyptian revolution.

D: The Egyptian revolution changed a lot of people's lives.​