[单项选择]

Passage Three
It’s hard to know who to trust these days. When we see people staging protests we think, Wow! These folks are passionate about their cause-otherwise, why would they stand in the rain for hours But sometimes it’s a show: You and even your Congressman may have been raised to power by manipulative marketers who pay serious money to hire protesters.
It’s a mean trick. Let’s say you want to stage a political rally, but you just can’t find enough people for a good turnout. What you need are folks with lots of time on their hands, who can be persuaded to make a fuss over almost anything. Solution: Head down to a homeless shelter and take out cash.
No joke-hiring the homeless is catching on. Last October, a Georgia activist pushing a state law to crack down on illegal immigrants paid 14 homeless men $10 each to hold signs and march around. It worked. People thought the rally was genuine-a local radio sta
A. those protesting in the cold rain are respectable
B. most Congressmen were elected by fake votes
C. in some cases protesters are hired
D. people staging protests are passionate