Which configuration for implementing 6PE on an IS-IS-enabled Cisco IOS XR router is correct?

Which configuration for implementing 6PE on an IS-IS-enabled Cisco IOS XR router is
correct?

A.
interface GigabitEthernet0/0/0/0
ipv6 address 2001:DB8:DD11::1/64
router isis ipv6-tun
net 49.0000.0000.00010.00
address-family ipv6 unicast
single-topology
redistribute bgp 200
interface GigabitEthernet0/0/0/0
address-family ipv6 unicast
router bgp 200
bgp router-id 209.165.202.129
address-family ipv4 unicast
address-family ipv6 unicast
redistribute isis ipv6-tun
neighbor 209.165.202.130

remote-as 200
address-family ipv4 unicast
address-family ipv6 labeled-unicast

B.
interface GigabitEthernet0/0/0/0
ipv6 address 2001:DB8:DD11::1/64
router isis ipv6-tun
net 49.0000.0000.00010.00
address-family ipv6 unicast
single-topology
router bgp 200
bgp router-id 209.165.202.129
address-family ipv4 unicast
address-family ipv6 unicast
redistribute isis ipv6-tun
neighbor 209.165.202.130
remote-as 200
address-family ipv4 unicast
address-family ipv6 labeled-unicast

C.
interface GigabitEthernet0/0/0/0
ipv6 address 2001:DB8:DD11::1/64
router isis ipv6-tun
net 49.0000.0000.00010.00
address-family ipv6 unicast
single-topology
interface GigabitEthernet0/0/0/0
address-family ipv6 unicast
router bgp 200
bgp router-id 209.165.202.129
address-family ipv4 unicast
address-family ipv6 unicast
redistribute static
neighbor 209.165.202.130
remote-as 200
address-family ipv4 unicast
address-family ipv6 labeled-unicast

D.
interface GigabitEthernet0/0/0/0
ipv6 address 2001:DB8:DD11::1/64
router isis ipv6-tun
net 49.0000.0000.00010.00
address-family ipv6 unicast
single-topology
interface GigabitEthernet0/0/0/0
address-family ipv6 unicast
router bgp 200
bgp router-id 209.165.202.129
address-family ipv4 unicast
address-family ipv6 unicast

redistribute connected
redistribute isis ipv6-tun
neighbor 209.165.202.130
remote-as 200
address-family ipv4 unicast
address-family ipv6 labeled-unicast

E.
interface GigabitEthernet0/0/0/0
ipv6 address 2001:DB8:DD11::1/64
router isis ipv6-tun
net 49.0000.0000.00010.00
address-family ipv6 unicast
single-topology
interface GigabitEthernet0/0/0/0
address-family ipv6 unicast
router bgp 200
bgp router-id 209.165.202.129
address-family ipv4 unicast
address-family ipv6 unicast
redistribute connected
redistribute isis ipv6-tun
neighbor 209.165.202.130
remote-as 200
address-family ipv4 unicast