You need to retrieve and register a DLNA-compatible device.
Which code segment should you insert at line PL16?
A. var player = Windows.Media=Devices.AudioDeviceController ( );
B. var player = Windows.Media.Devices.DLNADeviceController ( );
C. var player = Windows-Media,PlayTo.PlayToManager.getForCurrentView( );
player. addsventListener("sourcerequested", sourceRequestHandler, false);
D. var player = Windows.Media.PlayTo.PlayToManager.showPlayToUI ( );
player-addEventListener("sourcerequested", sourceRequestHandler, false);
