Directions：

Read the following text. Choose the best word (s) for each numbered blank and mark A, B, C or D.       

       The term e-commerce refers to all commercial transactions conducted over the Internet,including transactions by consumers and business-to-business transactions. Conceptually,e-commerce does not  from well-known commercial offerings such as banking by phone, "mail order" catalogs, or sending a purchase order to supplier  fax. E-commerce follows the same model  in other business transactions; the difference  in the details.
       To a consumer, the most visible form of e-commerce consistsonline ordering. A customer begins with a catalog of possible items,  an item,arranges a form of payment, and  an order. Instead of a physical catalog,e-commerce arranges for catalogs to beon the Internet. Instead of sending an order on paper or by telephone,e-commerce arranges for orders to be sent a computer network. Finally, instead of sending a paper representation of payment such as a check,e-commerceone to send payment information electronically.
        In the decade  1993, e-commerce grew from an  novelty(新奇事物)to a mainstream business influence. In 1993, few  had a web page, and  a handful allowed one to order products or services online. Ten years  , both large and small businesses had web pages, and most  users with the opportunity to place an order.  , many banks added online access,  online banking and bill paying became . More importantly,the value of goods and services  over the Internet grew dramatically after 1997.