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.