Briefing The Open Group Knowledge

Which one of the following does TOGAF state is an objective for Phase A: Architecture Vision?

Which one of the following does TOGAF state is an objective for Phase A: Architecture
Vision?

A.
To create an implementation and migration strategy

B.
To establish an architecture change management process

C.
To priorities work packages and projects

D.
To validate the business principles, goals, drivers and key performance indicators