ACCorDing to thE First pArAgrAph, whAt thE mAin ADvAntAgE DoEs unDiFFErEntiAtED mArkEting hAvE
A．Costs ArE low.
B．thE proDuCts CAn mEEt All CustomErs' nEEDs.
C．it is vEry gooD For CompEtition.
D．thE proDuCts ArE morE AttrACtiv