You need to ensure that App1 is only available to the sales department employees when they log on to their primary device

Your network contains a System Center 2012 Configuration Manager environment.
You have a sales department that contains 500 employees, 20 of whom are sales
managers. Each sales department employee has a desktop computer that is configured as
their primary device.
The sales managers frequently log on to computers in the marketing department.
You plan to deploy a new sales application named App1.
You need to ensure that App1 is only available to the sales department employees when
they log on to their primary device.
What should you do?

A.
In a requirement rule, set Organization Unit = Sales.

B.
In a requirement rule, set Primary Device = True.

C.
In Client Settings, set Allow user to define their primary devices to False.

D.
In Client Settings, set Allow user to define their primary devices to True.