Abigail notices that none of the widget catalog managers are able to approve OpenSocial widgets.
What is the solution to this problem?
A. The [RatingAuthor] role lacks a database manager assigned to it.
B. The [Admins] role in the widget catalog needs the administration server assigned to it.
C. The WidgetCatalogAdmins and CredentialStoreAdmins groups have not been created yet.
D. The [Admins] role needs the same manager(s) to be assigned in both the widget catalog and credential store applications.