Who should be recommended to support the Senior Responsible Owner in his/her responsibility for the delivery of the management system?

A.
a decision taking group

B.
the Change Advisory Board (CAB)

C.
the senior customer representative

D.
the service managers

Explanation:
A: Correct. The standard states that the Senior Responsible Owner should be supported by a decision taking group with sufficient authority to define policy and to enforce decisions.
B: Incorrect. The Change Advisory Board is an important group with a specific function which is not as wide as the management system.
C: Incorrect. The senior customer representative may provide input to requirements for the management system but will not be responsible for its delivery.
D: Incorrect. The service managers will implement the management system that is the responsibility of the Senior Responsible Owner.