Ads for Cruises,vacation Time Shares,and Resort Areas Often Show a Couple

Ads for cruises,vacation time shares,and resort areas often show a couple enjoying quiet time together.Many of these ads contain two men or two women rather than a man and a woman in order to appeal to the lucrative gay market.This type of ad campaign with same sex couples is an example of how _____ affect marketing.

A) demographic groups
B) subcultures
C) cultures
D) social classes
E) reference groups