Which of the following is a benefit of ASM fast disk resync?（）
- A Failed disks are taken offline immediately but are not dropped.
- B Disk data is never lost.
- C By default, the failed disk is not dropped from the disk group ever, protecting you from loss of that disk.
- D The failed disk is automatically reformatted and then resynchronized to speed up the recovery process.
- E Hot spare disks are automatically configured and added to the disk group.