A．They were expensive.  
B．No one believes them.                     
C．They were unsuccessful.
D．They were often deceptive.

A．Consumers began to resist buying products of these ads.
B．Consumers stopped their environmental movement.
C．Consumers turned cautious of environmental appeals.
D．Consumers didn't care about them all the time.

A．They became more popular.   
B．They were more regulated.               
C．They grew less honest.
D．They became better produced.