ACCorDing to thE pAssAgE, whEn you hAvE got oFF A Bus or trAm AnD wAnt to Cross thE roAD, you shoulD ______.
A．wAit until thE Bus or trAm hAs lEFt BEForE you Cross.
B．AlwAys mAkE surE you ArE BEhinD thE Bus or trAm.
C．nEvEr Cross in Front thE Bus or trAm.
D．AlwAys Cross in Front thE Bus or trAm.