Which of the following would cause the demand curve to shift from Demand B to Demand C in the market for keyboards in a particular country?
A、A decrease in the price of keyboards.
B、A decrease in the price of computers.
C、a change in consumer preferences toward working with tablets rather than with computers.an watching movies in movie theaters rather than at home
D、a slower population growth ratedecrease in that country.ople in the United States