You need to return your computer to the state that existed prior to the installation of the application

You administer a Windows 8.1 Pro client computer. You disable system protection, install
custom drivers, and create a system image.
You test a new application and discover that the computer becomes unresponsive.
You need to return your computer to the state that existed prior to the installation of the
application.
What should you do?

A.
Start the computer from a system recovery drive, and then perform System Restore.

B.
Start the computer from a system repair disk, and then perform System Image Recovery.

C.
Start the computer from the system repair disk, and then from the command prompt, run
the BCDEdit /copy command.

D.
Run Reset your PC.

Explanation:
If you can’t access Control Panel and you don’t have a Windows installation
disc or a system repair disc, use this method to restore your computer:
Restart your computer using the computer’s power button.
Do one of the following:
On the Advanced Boot Options screen, use the arrow keys to highlight Repair your
computer, and then press Enter.
Select a keyboard layout, and then click Next.

Select a user name, type the password, and then click OK.
On the System Recovery Options menu, click System Image Recovery, and then follow the
instructions.