The results of the investigations on consumer psychology carded out in America were _____ those of the investigations made at the same time in Great Britain.

A．concludes that the saving and spending patterns in Great Britain are better than those in America
B．concludes that the consumers always expect prices tO remain stable
C．concludes that maintaining stable prices is a correct business policy
D．does not draw any conclusion

A．rely on traditional assumptions about earning and spending
B．try to encourage or discourage consumers to spend money
C．carry out investigations on consumer behavior and obtain data on consumers' incomes and money spending motives
D．do researches in consumer psychology in a laboratory