Which two statements about the open and shared key wireless-authentication methods are true？（）

• A、shared key authentication is considered more secure than open authentication
• B、shared key authentication is considered less secure than open authentication
• C、if the WEP keys do not match using the open authentication method， the client will not authenticate， associate， and transfer data
• D、if the WEP keys do not match using the open authentication method， the client will still be able to authenticate and associate， but will not transfer data
• E、if the WEP keys do not match using the open authentication method， the client will still be able to authenticate， associate， and transfer data