单项选择题

A. Execute "lssrc -g cluster stop" on Node ’A’
B. Execute "cat /etc//motd >/dev/kmem" on Node ’A’
C. Execute "/usr/es/sbin/cluster/utilities/sclstop -gr" on Node ’A’
D. Find the pid of cluster manager daemon on Node ’A’ and issue a "kill-9" against the pid