题目

完形填空阅读下面短文，从短文后各题所给四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项。 Everyone in business has been told that success is all about attracting and retaining (留住) customers. It sounds simple and achievable. But, 1, words of wisdom are soon forgotten. Once companies have attracted customers they often 2 the second half of the story. In the3 of beating off the competition, negotiating prices, securing orders, and delivering the product, managers tend to become carried away. They forget what they regard as the boring side of 1张5元，1张5角，1张2角合起来是（ ）。A. 7元5角B. 5元7角C. 5元2角5分