Refer to the exhibit. Which subinterface receives the QinQ frame with an outer VLAN tag 2 and inner tag 3 and 4?
A. GigabitEthernet0/1/0/1.3
B. GigabitEthernet0/1/0/1.1
C. GigabitEthernet0/1/0/1.4
D. GigabitEthernet0/1/0/1.2
Which subinterface receives the QinQ frame with an outer VLAN tag 2 and inner tag 3 and 4?