Which of the following description is correct?

Check the firewall HRP status information as follows:

HRP_S [USG_ B] display hrp state

16 : 90 : 13 2010/11/29

The firewall’s config state is : SLAVE

Current state of virtual routers configured as slave

GigabitEthernet0/0/0 vird 1 : slave

GigabitEthernet0/0/1 vied 2 : slave

Which of the following description is correct?
A . the firewall VGMP group status is Master
B . the firewall G0/0/0 and 0/1 G0 / interface of VRRP group status is Slave
C . the firewall of HRP heartbeats interface is G0/0/0 and G0/0/1
D . the firewall must be in a state of preemption