【单选题】Most mothers have a good piece of advice: Never go into a supermarket hungry! If you go shopping for food before lunchtime, you'll probably buy more than you plan to. Unfortunately, however, just this...
A.
suggest consumers to buy generic items instead of fatuous brands
B.
give some pieces of advice to consumers
C.
convince readers that the advice of most mothers isn't enough for consumers these days
D.
persuade consumers not to believe the advertisements