You need to migrate your Microsoft Office Project Server 2002 environment to Project Server 2007

You need to migrate your Microsoft Office Project Server 2002 environment to Project Server 2007. What should you do first?

A.
Uninstall Project Server 2002, and then install Project Server 2003.

B.
Migrate the environment to Project Server 2003.

C.
Run the Project Server 2007 Migration tool.

D.
Uninstall Project Server 2002, and then run the UPG11DB SQL script.