Which of the Following Statements About the Price Elasticity of Demand

Which of the following statements about the price elasticity of demand is correct?

A) 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 increases.
B) Price elasticity of demand reflects the many economic, psychological, and social forces that shape consumer tastes.
C) 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 y.
D) All of the above are correct.