{{B}}pAssAgE 2{{/B}} {{B}}quEstions 30 to 32 ArE BAsED on thE pAssAgE you hAvE just hEArD、{{/B}}

A．nEArly 90 pErCEnt oF groCEriEs ArE pACkED in plAstiC BAgs.
B．plAstiC BAgs ArE usED EvErywhErE in thE worlD、
C．Almost onE trillion plAstiC BAgs ArE usED EACh yEAr.
D．plAstiC BAgs ContAin poisonous ChEmiCAls.