Please examine the image above. A customer with a MacBook Air (13-inch, Mid 2011) sees this image on his screen. What would cause his Mac to display this
image at startup?

A.
Internet Recovery has started downloading the OS X Recovery system image.

B.
The Mac is starting up from an external USB or Thunderbolt storage device.

C.
EFI has detected a hardware issue.

D.
Apple Service Diagnostics is loading.