Levi's Japan Has a Website That Caters to Those Looking

Levi's Japan has a website that caters to those looking to tailor their own denim, allowing customers to choose from different cuts (502 regular wide, 505 regular wide, 517 boot cut) , coloration (dark used, mid used) , button and rivet colors (gold, silver, bronze) , inseam length, and extra treatments (sanding, paint drips) . From start to delivery takes about a month. This describes one example of why consumers shop and shop and buy online, which is

A) control.
B) cost.
C) choice.
D) customization.
E) convenience.