ACCorDing to thE pAssAgE, ChimpAnzEEs CAn't BuilD powEr stAtions BECAusE______.
A．thEy Don't hAvE A lArynx whiCh hElps to pronounCE sounDs
B．thEy CAnnot CoopErAtE with EACh othEr
C．thEy Don't hAvE A CommuniCAtion systEm
D．thEy Don't hAvE spEECh likE thE humAns