A network administrator is assigned an approved change request with a change window of 120 minutes. After 90 minutes, the change is stuck on step five of a five-step change. The network manager decides to initiate a rollback. Which of the following describes what the network administrator will do NEXT?
A. Return the system to step four since this was the last working step.
B. Request additional time since the change is near completion.
C. Leave the change as is and inform users of a workaround.
D. Return the system back to the original state before the change.