A．appreciative
B． trustworthy
C． critical
D． dissatisfactory
A． Because advertisers often brag
B． Because critics think advertisement is a "waste of money"
C． Because customers are encouraged to buy more than necessary
D． Because customers pay more
A． Advertisement makes contribution to our pockets and we may know everthing
B． We can buy what we want
C． Good quality products don't need to be advertised
D． Advertisement makes our life colorful