You are designing a Windows Phone 7 application. The current size of the application is 60 MB and includes several high-definition videos. The videos must be as high quality as possible. You need to ensure that users can download the application from the Windows Phone 7 Marketplace over a General Packet Radio Service (GPRS) or 3G phone connection. What should you recommend?

A.
Ensure that each video is smaller than the maximum size of isolated storage.

B.
Ensure that the XAP file is smaller than the maximum size of isolated storage.

C.
Ensure that the maximum size of each video is within the size limitation of the Windows Phone 7 Marketplace standards for over-the-air downloads.

D.
Ensure that the maximum XAP file size is within the size limitation of the Windows Phone 7 Marketplace standards for over-the-air downloads.