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.