The Following Excerpt Contains a Campus-Wide Announcement About a Concert

The following excerpt contains a campus-wide announcement about a concert at the University of West Georgia (UWG) .Students were required to show their identification card to purchase tickets at the lower price,but on concert day,student-priced ticket holders were not required to show identification. The Band Perry [a Grammy-nominated country music act] will perform live at the University of West Georgia Coliseum on Sunday,April 22,as part of its Purveyors of Performance Tour 2012....Prices are $10 in advance or $15 on the day of the show for those with a UWG [Student] ID,and $20 in advance or $25 on the day of the show for the general public.
Source: "CAMPUS NEWS: The Band Perry Comes to UWG," UWG media (blog) UWG Center for Student Involvement,http://uwgmedia.blogspot.com/2012/04/band-perry-comes-to-uwg_19.html,April 19,2012.
Which price discrimination condition was satisfied by requiring students to show their ID card for their initial ticket purchase?

A) The concert promoter was able to prevent the resale of the product or service to another student.
B) The concert promoter was able to prevent the resale of the product or service to another student
C) The concert promoter was able to prevent the resale of the product or service to another consumer who is willing to pay more.
D) The concert promoter was able to distinguish easily among groups of sellers with different price elasticities of supply.
E) The concert promoter was able to distinguish easily between true fans of the Band Perry and those who just wanted to see a cheap concert.