With no explanation, chose the best option from "A", "B", "C" or "D". Cir.2008) (<HOLDING>), cert. denied, - U.S. -, 129 S.Ct. 950, 173

A: holding guidelines to be only advisory
B: recognizing that under the booker remedial regime  the guidelines are no longer mandatory but are only advisory
C: recognizing only that the guidelines must be advisory not that judges may find no facts
D: holding that even though the guidelines are advisory a district court must accurately calculate and consult the defendants guidelines range
C.