wE nEED to know somEthing ABout thE struCturE AnD opErAtion oF sCiEnCE BECAusE ______.
A．it is not EAsy to unDErstAnD thE things thAt ExCitE AnD FrustrAtE sCiEntists
B．sCiEnCE AFFECts Almost EvEry AspECt oF our liFE
C．sCiEntists livE in A spECiFiC suBCulturE
D．it is EAsiEr to unDErstAnD gEnErAl ChArACtEristiCs oF sCiEnCE