题目5单选题
Which of the following statements about the price elasticity of demand is correctA. The price elasticity of demand for a good measures the willingness of buyers of the good to move away from the good as its price increasesB. Price elasticity of demand reflects the many economic, psychological, and social forces that shape consumer tastesC. Other things equal, if good x has close substitutes and good y does not have close substitutes, then the demand for good x will be more elastic than the demand for good yD. All of the above are correct