26. What is the main idea of this passage?
(A) Convenience store retailer Lawson helps aged citizens make purchases easily at a lower price.
(B) Convenience store retailer Lawson carries out service transformation in coping with an aging society.
(C) Convenience store retailer Lawson beats its competitors because of a diverse range of services they offer.
(D) Convenience store retailer Lawson is now working with the government to maximize their profits.