..., appellant's silence cannot be deemed an affirmative selection of the guidelines. In so holding, we recognize that it is unlikely that mere silence or acquiescence will ever amount to an affirmative...selection. Nevertheless, we reiterate our position in Jordan that we are not to be understood as holding that silence or acquiescence can never, under any set of circumstances, amount to...calculating and entering an appropriate sentence under the guidelines, albeit with enhancement or departure. It is equally clear, however, that the trial judge never asked appellant whether he "selected...