How Did the Blakely Ruling Affect Sentencing Laws in Washington

How did the Blakely ruling affect sentencing laws in Washington and other states?

A) Most states' sentencing guidelines were unconstitutional and are no longer in effect.
B) For any additional evidence to be used to increase the length of a prison sentence, prosecutors must present that evidence along with the criminal charges.
C) Judges cannot sentence any offender to more time in prison than the sentencing guideline range allows for the conviction offense.
D) Washington and other states may continue to use sentencing guidelines, but they are advisory only; judges are not required to follow them.