An 802.1x client cannot authenticate to an autonomous access point configured for multiple vlans. the native vlan does not have an ssid configured. Which one of the following links being down would prevent the clients from authenticating？（）
- Abetween the radius and the access point
- Bbetween the client’s vlan and the wlse
- Cbetween the native vlan and the wlse
- Dbetween the client’s vlan and the radiu