What should you recommend?

Your network contains an Active Directory domain named contoso.com. The domain contains 1,000 client computers that run Windows 10.
A security audit reveals that the network recently experienced a Pass-the-Hash attack. The attack was initiated from a client computer and accessed Active
Directory objects restricted to the members of the Domain Admins group.
You need to minimize the impact of another successful Pass-the-Hash attack on the domain.
What should you recommend?
A. Instruct all users to sign in to a client computer by using a Microsoft account
B. Move the computer accounts of all the client computers to a new organizational unit (OU). Remove the permissions to the new OU from the Domain Admins group.
C. Instruct all administrators to use a local Administrators account when they sign in to a client computer.
D. Move the computer accounts of the domain controllers to a new organizational unit (OU). Remove the permissions to the new OU from the Domain Admins group.