If the price elasticity of demand for pineapples is 0.75, then a 4% increase in the price of pineapples will lead to a:

A、3% increase in the quantity of pineapples demanded.;
B、0.75% decrease in the quantity of pineapples demanded.;
C、3% decrease in the quantity of pineapples demanded.;
D、0.75% increase in the quantity of pineapples demanded.