quEstions 16 to 20 ArE BAsED on thE Following tAlk. A、BECAusE thE intErnEt BinDs FEwEr pEoplE togEthEr thAn wE ACtuAlly nEED、
B、BECAusE thE hypErlinks oFtEn sEnD us to CommErCiAl wEB sitEs.
C、BECAusE thE wEB CAn-t AlwAys show ClEArly how to gEt whErE wE wAnt.
D、BECAusE thE wEB is oFtEn A DAtABAsE orgAnizED For CommErCiAl purposEs.