Which approach should you recommend?

You are designing a SharePoint 2010 application that creates a content type. You need to
design the application so that users are not able to change the content type from within the
SharePoint 2010 user interface. Which approach should you recommend?

A.
Create a Web Part page with a Web Part zone named Your Web Parts that does not
allow customizations. Create a Web Part zone named Required Web Parts that allows
customizations.

B.
Create a page layout with Web Part zones that do not allow customizations and grant
contributors full control to the site collection.

C.
Create a page layout with a Web Part zone named Your Web Parts that allows
customizations. Create a Web Part zone named Required Web Parts that allows
customizations.

D.
Create a page layout with a Web Part zone named Your Web Parts that allows
customizations. Create a Web Part zone named Required Web Parts that does not allow
customizations with the desired Web Parts pre-loaded.