Why Have Shoplifting Incidents Increased Dramatically in the Past Twenty

Why have shoplifting incidents increased dramatically in the past twenty years?

A) Because the number of fences and other outlets for stolen goods have increased over the past twenty years.
B) Because professional shoplifters are recruiting amateur shoplifters in an effort to develop shoplifting gangs.
C) Because popular retailers rely on highly visible merchandise displays to attract purchasers.
D) Because shoplifting is commonly committed by teenagers who have comprised an increasing percentage of the population over the past two decades.