When you restart an Oracle instance after a failure, Oracle derects that a crash occurred and performs the following action$($s$)$:

A$.$ All committed transactions will be recovered.

B$.$ All uncommitted transactions will be rolled back or undone.

C$.$ Any committed transactions from which a message was not sent the client application confirming the committed transaction will be rolled back or undone.

D$.$ A$,$ B and C are correct.

E$.$ None of the above.