A fundamental change in the trend towards frugality in the '80s was mainly attributable to factors of________.

A．fight against economic recession
B．take their destiny in their own hands
C．come to terms with the present world
D．find new value in the more primitive lifestyle

A．consumers give up the pursuit for luxuries
B．the rates of economic growth begin to decline
C．people stick to some basic principles and act on them
D．young people develop a detestation for the Industrial Revolution