In the Mid-1980s,the Market for Teenage Clothes Was Growing Quickly,but

In the mid-1980s,the market for teenage clothes was growing quickly,but jeans were out of fashion.Levi's re-launched their jeans,led by advertising for 501s,which had never been a fashionable jean style.Within a few months,sales factors had increased dramatically,turning a ______ into a star.

A) widow
B) cash cow
C) problem child
D) loss leader
E) dog