You need to check the allowed VLANs on a trunk interface. Which command will show you the allowed VLANs?

A. SwitchA# show interfaces gi 0/1 trunk
B. SwitchA# show interfaces gi 0/1
C. SwitchA# show interfaces gi 0/1 switchport
D. SwitchA# show interfaces trunk

D. The command show interfaces trunk will show the details of allowed VLANs. The show running-config command will also show you the allowed VLANs.