在Word编辑状态下，将光标移至文本行首左侧空白处呈“”形状时，单击鼠标左键可以选中(1)，按下(2)键可以保存当前文档。

1（）

A．checking
B．debugging
C．revision
D．verification

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