You are working with a client to discuss how their ad will appear in the Google Network. You tell the client that they can customize the ad's content placement, but the customer doesn't understand the concept of content placement.
Which one of the following is the best description of content placement in the Google Network?
A. A placement describes the premium to low-level minimums for an ad to be placed on a Google Network participant's page.
B. A placement is where the Google AdWords ad will appear on the Internet.
C. A placement is the order in which an advertisement is displayed on a Google Network's participant's page.
D. A placement can be an entire Website, a subset of a Website, or even an individual ad unit positioned on a single page.