Which of the Following Holds True When an Outdoor Advertiser

Which of the following holds true when an outdoor advertiser buys 100 gross rating points?

A) The advertiser has bought 100 percent of the billboards owned by that particular outdoor advertising company within a specified area.
B) The advertiser has been guaranteed that 100 percent of the population will be exposed to its outdoor advertising daily.
C) The advertiser has paid 100 percent of the rate card price for as many panels as it chooses to utilize.
D) The advertiser's message will appear on 100 posters.
E) The advertiser's message will appear on as many panels as needed to provide a daily exposure theoretically equal to the market's total population.