What does a Shared Services project manager do during an SAP Ariba Sourcing deploymnt?

What does a Shared Services project manager do during an SAP Ariba Sourcing deploymnt?
A . Provides day-to-day project managament
B. Performconfiguration testing in test and production enviroments
C. Provides functional knowledge of Sap Ariba software capabilities;
D. Delivers ongoing adoption support during the lenght of the customer contract

Answer: A,C