A new Company switch was just configured using the "switchport trunk native vlan 7" command.   What does this interface command accomplish？（）

• A、 Causes the interface to apply ISL framing for traffic on VLAN 7
• B、 Configures the trunking interface to forward traffic from VLAN 7
• C、 Configures the interface to be a trunking port and causes traffic on VLAN 7 to be 802.1q tagged
• D、 Configures the trunking interface to send traffic from VLAN 7 untagged
• E、 None of the other alternatives apply