to thE nEArEst million, how mAny morE stuDEnts wErE EnrollED in sChool—Both puBliC AnD privAtE, prEk-12—in 1970 thAn in 1988A．3,000,000
B．6,000,000
C．10,000,000
D．44,000,000
E、51,000,000