The American Academy of Pediatrics (AAP) Wants to Launch a Message

The American Academy of Pediatrics (AAP) wants to launch a message to inform citizens about dangerous crib structures and recalled products.It hires a firm called American Message, which has expertise in working with nonprofit organizations, to create a series of television commercials around this primary theme.There is no charge for airtime on the many syndicated networks on which the ad will be broadcast.In this instance,

A) the AAP is considered the client because it hired an agency.
B) the syndicated networks are considered the trade channel.
C) American Message is considered the sponsor because the AAP is a nonprofit organization.
D) the AAP is running a public service announcement.