You are developing a Universal Windows Platform (UWP) app by using Microsoft Visual Studio.
The app will use the AdMediatorControl control.
You need to select the ad providers that will be used by the app.
What should you add to the app?

A.
Connected Service

B.
Service Reference

C.
Azure API App Client

D.
Reference

Explanation:
If you an AdMediatorControl, you need to configure it through Connected Services. Connected Services should be added after you’ve added all the controls.

https://msdn.microsoft.com/en-us/library/windows/apps/mt219682.aspx