The key to "Astroturf lobbying" is

A) honesty.
B) mobilizing all citizens.
C) deception.
D) None of the above is correct.

Astroturf Lobbying

A form of advocacy in which sponsors manipulate the appearance of grassroots support for their cause, hiding the true origins and funders of the campaign.

Deception

The act of misleading or deceiving someone, often to gain an advantage.