Directions：Complete the sentences with the words or expressions below.
A）privacy  B）stored  C）secured  D）distant  E）clarify  F）retail  G）purchasing  H）advertising  
I）payment  J）addressing  K）profound  L）potentially  M）peak  N）digital  O）disagreement

The Internet has been one of the most revolutionary technologies in history.It has had a（n）1）________impact on the way that consumers buy products.In the not so 2）________past，people mostly buy products in physical stores.Now，more and more people shop online.When 3）________products online，security is the top concern of one-quarter of shoppers.Results from a new research show that for one-quarter of online shoppers，seeing payment authentication(证实) and 4）________certificate logos displayed prominently on a retailer's homepage is the single most reassuring element.Security transparency is particularly important in China，where 70percent of shoppers said they feel more 5）________when shopping if payment authentication and certificate logos are clearly displayed.It indicates that this simple measure will go a long way in 6）________the misgivings(担心) of online consumers.Shoppers also want security transparency when retailers store personal and 7）________details.Thirty-one percent of shoppers worldwide say they don't want a（n）8）________website to store their payment details，and South Koreans and Australians are most averse (反对) to the idea with over 50 percent saying they don't want this information 9）________online.In China and Japan，65 percent of shoppers expect the reassurance that their details will be kept safe by the retailer and want the retailer to 10）________how this will be done.Regulations are expected to be put into place，so that people can have more confidence in online shopping.