The suggested answer is A.
The script provided uses cmdlet names that follow a Verb-Noun format, such as 'Get-ADUser', 'Add-ADGroupMember', and 'Set-ADUser', which are distinctive features of PowerShell. Additionally, the use of the pipeline operator '|' to pass objects between commands is a common characteristic of PowerShell. The script also interacts with Active Directory, which is commonly administered using PowerShell cmdlets in Windows environments. Therefore, the scripting language used in the script is PowerShell.