You are designing a Windows Phone 7 application. You need to recommend a design strategy that will allow the application to be accepted into the Windows Phone 7 Marketplace. What should you recommend?

A.
The application must support trial mode.

B.
The file size of the application must meet the criteria of the Windows Phone 7 Marketplace.

C.
The application must be localized to each region that is supported by the Windows Phone 7 Marketplace.

D.
The file size of the application must be downloadable over a General Packet Radio Service (GPRS) or 3G phone connection.