In Order to Advertise to Consumers in a Certain Reference

In order to advertise to consumers in a certain reference group,the best strategy is for marketers to

A) know the need for cognition in the population as a whole.
B) accurately reflect the clothing, hair styles, accessories, and general demeanor of the group members.
C) have a detailed knowledge of the physiological reactions of the group members.
D) have a detailed knowledge of the legal system as it relates to disposal in the region of the country in which the reference group is located.
E) know the average in-store shopping speed of a member of the group.