问题详情

You can check your e-mail by yourself，but owning an e-phone
A.you can know the arrival of an e-mail immediately．
B.you can check your e-mails more quickly．
C.you can depend on the e-phone to check per day．
D.can help you delete unnecessary e-mails．请帮忙给出正确答案和分析，谢谢！