Which option correctly defines how to identify a VLAN as a voice VLAN on an AOS-CX switch?

A. Switch(config)# port-access lldp-group
Switch(config-lldp-group)# vlan

B. Switch(config)# port-access role
Switch(config-pa-role)# vlan access

C. Switch(config)# vlan
Switch(config-vlan-)# voice

D. Switch(config)# vlan voice