Per Click Is a Measure in Which

per click is a measure in which

A) a fixed amount of money paid to the site for every visitor who clicks on an ad and goes from the website to the advertiser's site.
B) a fixed amount of money paid to the site for every sale that originated from an ad posted on that site.
C) a fixed amount of money is paid to a site for posting an ad for a finite amount of time.
D) a fixed amount of money is paid for every 1,000 times an ad loads, up to $100 a month.
E) a fixed discount given to a visitor for clicking on an ad.