it CAn BE sEEn From thE pAssAgE thAt________.
A．thE CApACity to gEnErAtE ElECtriCity is thE DistinCtivE ChArACtEristiC oF thE Fish
B．thE CurrEnt trAvEls in An upwArD DirECtion From thE positivE siDE to nEgAtivE siDE in torpEDo' s ElECtriC CElls
C．somE Fish CAn proDuCE Enough ElECtriCity to DrivE A numBEr oF ElECtriC motors
D．thE torpEDo's ElECtriC CEils hAvE A shApE with six siDEs