Which of the following events would result in a baseline update?

A.
A project is behind schedule and the project manager wants the baseline to reflect
estimated actual completion.

B.
A customer has approved a change request broadening the project scope and
increasing the budget.

C.
One of the risks identified in the risk management plan occurs, resulting in a
schedule delay.

D.
One of the key project team resources has left the team and no replacement is
available.