If the Price of Milk Increased by 5 Per Cent

If the price of milk increased by 5 per cent because of an increase in the demand for milk, and the quantity of milk supplied increased by 7 per cent,

A) milk is more of a luxury than a necessity.
B) milk is more of a necessity than a luxury.
C) the supply curve of milk has shifted rightward.
D) the price elasticity of supply of milk is greater than one.