Which of the following shows how a product was improved by modifying the marketing dimension of channels of distribution? A. The Caribbean cruise was improved by the addition of two more stops in Mexico. B. The 800-page history of chiropody was improved by the development of an extensive index. C. Liz Claiborne expanded the number of retail outlets that carries its sportswear. D. The Dillard House restaurant added three new vegetarian dishes to its menu.