Which two actions should you perform?

You have a BDC entity. You need to ensure that the BDC entity can be indexed by the SharePoint indexer.

Which two actions should you perform? (Each correct answer represents part of the solution. Choose two)

A.
Add a context source to the search settings in the Shared Service provider.

B.
Add an action to the application definition file, then re-import the file.

C.
Add a method instance type named IDEEnumerator to the application definition file, then re-import the file.

D.
Add a method instance type named GenericInvoker to the application definition file, then re-import the file.