In a Pacemaker Cluster, Which One of the Following Commands

In a Pacemaker cluster, which one of the following commands shows the right syntax for fencing the node on port 3 using the APC rack PDU device which can be found at IP address 192.168.1.145?

A) apc_stonith -a 192.168.1.145 -l apc -n 3 -v -o shutdown -r now
B) fence_apc -a 192.168.1.145 -l apc -p apc -n 3 -v -o shutdown -r now
C) fence_apc -a 192.168.1.145 -l apc -p apc -n 3 -v -o reboot
D) apc_stonith -a 192.168.1.145 -l apc -p apc -n 3 -v -o reboot