The correct answer is A.
The graph depicts the number of Tweets written and published online in relation to the campaigns for the US presidential elections in 2008 and then in 2012. The number has triplicated. It has risen from 10 million to more than 30 million Tweets.
Therefore these figures evidence the major importance that social networks such as Twitter have acquired in political campaigns.
The State Prosecutor is responsible for bringing charges against someone suspected of committing a crime in their state's jurisdiction. The third choice is correct.
