Which Is not True About Social Media

Which is not true about social media?

A) Social media have started to play a role in breaking the monopoly of government control over the diffusion of information.
B) Social media are even more difficult for governments to block or sensor as compared to TV or Internet.
C) Social media are saturated globally and not significantly growing.
D) In terms of the percentage of global social media users, the United States is on the decline, but still dominates the most popular twitter positions.
E) According to map 4.8.4, China prefers QZone.