The snmpinfo command can be sued to obtain information about the current state of a running  cluster. Which of the following will provide an administrator with a complete list of information from the cluster MIB？（）  

• A、 snmpinfo -m get -o /usr/es/sbin/cluster/hacmp.defs -v cluster
• B、 snmpinfo -m dump -o /usr/es/sbin/cluster/hacmp.defs -v cluster
• C、 snmpinfo -m get -o /usr/es/sbin/cluser/hacmp.defs -v clusterState.0
• D、 snmpinfo -m dump -o /usr/es/sbin/cluster/hacmp.defs -v clusterState.0