Consider the following command to add a new disk group called "tdgroupA" with two failover groups： CREATE DISKGROUP tdgroupA NORMAL REDUNDANCY FAILOVERGROUP control01 DISK ’/devices/A1’，  ’/devices/A2’，  ’/devices/A3’  FAILOVERGROUP control02 DISK ’/devices/B1’，  ’/devices/B2’，  ’/devices/B3’m  The disk "/devices/A1" is currently a member disk of a disk group by the name "tdgroup1".  Which task would be accomplished by the command？（）

• A、 This command would result in an error because a disk group can have only one failover group.
• B、 This command would result in an error because the /devices/A1 disk is a member of another disk group tdgroup1.
• C、 A new disk group called tdgroupA will be added with two failover groups and the /devices/A1 disk will get reattached to the new disk group without being detached from the existing one.
• D、 A new disk group called tdgroupA will be added with two failover groups and the /devices/A1 disk will be ignored for the new disk group because it is a member of an existing disk group tdgroup1.
• E、 A new disk group called tdgroupA will be added with two failover groups and the /devices/A1 disk gets detached from the existing disk group tdgroup1 and attached to the new disk group tdgroupA