Which configuration ensures that the switch is always the root for VLAN 750? 

Answer options:

A. Switch(config)#spanning-tree vlan 750 priority 38418607
B. Switch(config)#spanning-tree vlan 750 priority 0
C. Switch(config)#spanning-tree vlan 750 root primary
D. Switch(config)#spanning-tree vlan 750 priority 614440

C