Jenna Travels to Europe for Her Company Every Other Week

Jenna travels to Europe for her company every other week. She rents her vehicles from National Car Rental. Because she is a frequent renter, she is part of their Emerald Club program. This allows her to choose her vehicle from a specific selection without checking in at the counter. She also receives frequent traveler free days. What type of group is Jenna part of?

A) Brand community
B) Nonmembership group
C) Primary group
D) Membership group
E) Indirect reference group