What are the required commands to configure a native VLAN of 10 and a tagged VLAN of 20 on an OS6 switch?

What are the required commands to configure a native VLAN of 10 and a tagged VLAN of 20 on an OS6 switch?
A . # interface ethernet 1/6
# switchport trunk encapsulation dot1
# switchport trunk native vlan 10
# switchport trunk allowed vlan 20
# switchport mode trunk
B . # interface gigabitethernet 1/0/6
# switchport mode trunk
# switchport mode allow vlan 20
# switchport mode trunk native vlan 10
C . # interface ethernet 1/1/6
# switchport mode trunk
# switchport trunk allowed vlan 20
# switchport access vlan 10
D . # interface gigabitethernet 1/0/7
# switchport mode trunk
# switchport mode allow vlan 20
# switchport mode trunk native vlan 10