Your network contains an Active Directory forest. You set the Windows PowerShell execution policy to allow unsigned scripts on a domain controller in the network. You create a Windows PowerShell script named new-users.ps1 that contains the following lines： new-aduser user1 new-aduser user2 new-aduser user3 new-aduser user4 new-aduser user5 On the domain controller， you double-click the script and the script runs. You discover that the script fails to create the user accounts. You need to ensure that the script creates the user accounts. Which cmdlet should you add to the script（）

A. Import-Module
B. Register-ObjectEvent
C. Set-ADDomain
D. Set-ADUser