wE CAn lEArn From thE pAssAgE thAt nApstEr hAs BEEn BloCkED By sEvErAl univErsitiEs BECAusE_________.
A．it wAs DEsignED By A ChilD
B．it is morE DAngErous thAn Any othEr soFtwArE
C．DownloADing lArgE AuDio FilEs At sAmE timE hAs mADE ComputEr systEms slow
D．it Allows onlinE usErs to sEArCh For Almost Anything