Refer to the exhibit. Based on the output of the show spanning-tree command, which statement is true?

A.
Switch SW1 has been configured with the spanning-tree vlan 1 root primary global configuration command.

B.
Switch SW1 has been configured with the spanning-tree vlan 1 root secondary global configuration command.

C.
Switch SW1 has been configured with the spanning-tree vlan 1 priority 24577 global configuration command.

D.
Switch SW1 has been configured with the spanning-tree vlan 1 hello-time 2 global configuration command.

E.
The root bridge has been configured with the spanning-tree vlan 1 root secondary global configuration command.