Answer:
C. 5%
Step-by-step explanation:
According to the Pew Center, approximately 5 percent of American adults donated online to a candidate in the first five months of the 2008 presidential campaign.
The Pew center, based in Washington DC is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. The Pew center published that in the first five months of 2008 presidential campaign, about 5 percent of American adults donated to a candidate.