（单选题）
You are managing an ASM instance. You previously issued the following statements: ALTER DISKGROUP dg1 DROP DISK disk2; ALTER DISKGROUP dg1 DROP DISK disk3; ALTER DISKGROUP dg1 DROP DISK disk5; You want to cancel the disk drops that are pending for the DG1 disk group. Which statement should you issue?（）
AALTER DISKGROUP dg1 UNDROP disk2, disk3, disk5;
BALTER DISKGROUP dg1 UNDROP;
CALTER DISKGROUP dg1 UNDROP DISKS;
DYou cannot cancel the pending disk drops.
正确答案
答案解析
略
