A.UseROLAPfortheHistoricalpartitionandMOLAPfortheCurrentDaypartition.
B.UseMOLAPfortheHistoricalpartitionandROLAPfortheCurrentDaypartition.
C.UseROLAPfortheHistoricalpartitionandAutomaticMOLAPfortheCurrentDaypartition.
D.UseHOLAPfortheHistoricalpartitionandLow-latencyMOLAPfortheCurrentDaypartition.
参考答案：B
