Company.com complains that an outage is required when adding a new filesystem to cluster. The  System management function of HACMP （C-SPOC） functions in which manner when adding filesystems to a cluster？（）  

• A、 Adds to all nodes with the cluster running.
• B、 Adds to all nodes with the cluster stopped.
• C、 Adds with the cluster running，uses "Lazy Update" to perform the logical volume synchronization.
• D、 Adds to all nodes with the cluster running but requires the volume groups to be exported andimported after.