Your Mac is started up from its OS X Recovery partition. You need to repair the hard disk. Which procedure will let you perform the repair?

A.
Select Disk Utility in the OS X Utilities window, click Continue, select the hard disk, and click Repair Disk.

B.
In the OS X Utilities window, click Select Volume, click Continue, select the hard disk, and click Verify & Repair.

C.
Quit the Recovery app, then open Disk Utility from the /Applications/Utilities/ folder on the OS X Recovery partition, select the hard disk, and click Repair Disk.

D.
Quit the Recovery app, then open Disk Utility from the /Applications/Utilities/ folder on the Macintosh HD partition, select the hard disk, and click Repair Disk.