CompAniEs likE pC&E AnD wEyErhAEusEr triED to promotE thEir EnvironmEntAl imAgE BECAusE thEy ______.
A．rEAlizE its EConomiC ADvAntAgE
B．woulD likE to BE EnvironmEntAlly FriEnDly
C．woulD DEFEnD thEmsElvEs AgAinst ChArgEs
D．know thE importAnCE oF sustAinABlE growth