The underlined word "conducive" (Line 3, Par

A．consumers will spend their money quickly if they expect prices to increase
B．the pricing policy should be based on a correct understanding of consumer psychology
C．remaining stable prices is a correct business policy
D．price increase always stimulate people to hasten to buy things

A．study the knowledge of psychology
B．obtain data on the motives that tend to encourage or discourage consumers to spend money
C．carry out investigations on consumers behavior and obtain data on consumers' incomes and money spending motives
D．do researches in consumer psychology in different countries