题目： Which of the following is closest to the point Postman is trying to make in this essay?
A.Euphemism,byintroducingnewwaysoflabelingoldnotionsintothevocabularyofalanguage,alterslanguageuser’sconceptionoftheworld.
B.Euphemismisnotacontemptibleprocessbecauseanameisnothingmorethanalabel,andgivingprettynamestouglyrealitieswillnotalterpeople’sperceptionofthem.
C.Morethanthecoinageofanalternativeforalessagreeableterminalanguage,euphemismisausefulmeansineffectingchangeinlanguageuser’sbeliefsandattitudeswhensuchachangeiscalledforbysocialtrends.