You deploy a Skype for Business Server 2015 Enterprise Pool that is configured with Enterprise Voice and Dial-in Confere

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You deploy a Skype for Business Server 2015 Enterprise Pool that is configured with Enterprise Voice and Dial-in Conferencing. All client computers run Windows
10 and Skype for Business.
Users report that they are unable to share Microsoft PowerPoint presentations.
You need to ensure that while they are in conferences, users are able to share PowerPoint presentations. You also need to ensure that users are able to scroll through PowerPoint presentations.
What should you do?

A. Install Office 2013 for all users and instruct them to use PowerPoint 2013.
B. Install an Office Web Apps Server on a server and configure Skype for Business Server 2015 to communicate with Office Web Apps.
C. Install an Office Web Apps Server on a server that is running Office 2013 and configure Skype for Business Server 2015 to communicate with Office Web Apps.
D. Configure a new conferencing policy that enables the AllowMultiView property.
E. Configure a new conferencing policy that enables the application and desktop sharing option.