Which statements about the Portfolio Office (headed by the Portfolio Manager) are true?
1. It helps to ensure that a consistent approach is applied across the portfolio
2. It prepares the Portfolio Strategy and Delivery Plan
3. It is a temporary structure set up to assist with the delivery of change
4. It provides assurance to senior management on effective delivery of change

A.
1, 2, 3

B.
1, 2, 4

C.
1, 3, 4

D.
2, 3, 4