You need to ensure that the feature can be installed on…

You have a server named Server1 that runs Windows Server 2012 R2.
You try to install the Microsoft .NET Framework 3.5 Features feature on Server1, but the installation fails
repeatedly.
You need to ensure that the feature can be installed on Server1.
What should you do?

A.
Run the Add-WindowsPackagecmdlet

B.
Disable User Account Control (UAC)

C.
Specify an alternate source path

D.
Install the Web Server (IIS) server role