Which requirement must be met?

You are developing a Windows Store app.
You need to ensure that the app meets the requirements for Windows Store certification.
Which requirement must be met?

A.
The app must encrypt all personally identifiable information.

B.
The app must have a short name and a long name.

C.
The trial functionality must resemble the actual functionality of the app.

D.
The app must conform to the rating system E, Y-7, Y-14, MA.