wE CAn tEll From thE pAssAgE thAt AmEriCAn puBliC sChools ______.
A．ArE BEhinD thE timEs
B．nEED nEw timE-kEEpErs
C．hAvE mADE no ChAngE At All in 100 yEArs
D．nEED morE soCiAl ACtivitiEs