Autumn is traveling for business and is attempting to complete some work on her MacBook Air while she is waiting at the airport for her next flight. She is attempting
to recover an earlier version of a text file, but her computer is not connected to her backup drive. In the full-screen Time Machine browser, which of the following
indicates a backup that is only available on the disconnected backup drive?

A.
When Autumn moves the pointer over a tick mark on the timeline, the tick mark is dimmed red.

B.
Files in the section labeled “Local Snapshots” in the Time Machine browser are those from the disconnected backup drive.

C.
The tick mark for an unavailable, or non-existing, backup will pulse light and dark gray when Autumn moves the pointer over it.

D.
When Autumn moves the pointer over a tick mark on the timeline, the tick mark displays a prohibitory sign.