【单选题】

About electronic wallet，the correct description is ______.

A、electronic wallets require consumers to enter their information at every site with which they want to do business
B．a client-side electronic wallet stores a customer’s information on a remote server belonging to a particular merchant or wallet publisher
C．a server-side electronic wallet stores consumers’ information on their computer
D．when consumers select items to purchase, they can then click their electronic wallet to order the items quickly