A Windows baseline containing 100 updates to 1000 computers was just deployed. After one day many of the targeted computers are reporting their status as
Pending Restart. What does this message indicate?

A.
The system was locked when the action was deployed.
B.
The user rebooted the system while the baseline was executing.
C.
System administrators need to log in to each system and reboot it.
D.
At least one of the updates deployed in the baseline requires a reboot.