A Windows 2003 Server is no longer able to access its internal SCSI drive. The cables areconnected， the drive has power， and the drive shows up in Device Manager； however， the My Computerwindow does not show the drive that was previously working and formatted with NTFS. 
Which of thefollowing would be the FIRST step in regaining access to the drive？ （）

A. Reformat the NTFS partition.
B. Recreate the partition that was deleted.
C. Rewrite the MBR.
D. Run a check disk on the drive.