The price elasticity of demand for a good measures the responsiveness of:

A、demandtoaonepercentchangeinpriceofthatgood.;
B、quantitydemandedtoaonepercentchangeinpriceofthatgood.;
C、pricetoaonepercentchangeinthequantitydemandedofthatgood.;
D、pricetoaonepercentchangeinthedemandforthatgood.