When MrsVan Dyke First Acquired a New Luxury Car,she Was Ecstatic

Multiple Choice

When Mrs.Van Dyke first acquired a new luxury car,she was ecstatic.After several months,however,she took the car for granted and it gave her little sense of emotional excitement.This change in her feelings can best be explained in terms of

A) the adaptation-level phenomenon.
B) relative deprivation.
C) the catharsis hypothesis.
D) the do-good,feel-good phenomenon.