All of the Following Are Key Trends That Have Hurt

All of the following are key trends that have hurt department stores except

A) consumers have turned to buying on websites which offer lower prices, greater selection, and convenience.
B) building rent in shopping malls has become so expensive that department stores are having trouble earning profits despite experiencing record sales volume.
C) department stores grew dependent on attracting customers to shopping malls, which have been declining in popularity since the 1990s.
D) consumer tastes in clothing have shifted from traditional mass-produced clothing to fast-fashion clothing that is usually sold in smaller stores or online.