A Competitive Market Is in Equilibrium

A competitive market is in equilibrium.Then there is an increase in demand and an increase in supply.The equilibrium price ________,and the equilibrium quantity ________.

A) falls;increases
B) perhaps changes but we can't say if it rises,falls or stays the same;increases
C) perhaps changes but we can't say if it rises,falls or stays the same;does not change
D) rises;increases
E) falls;perhaps changes but we can't say if it increases,decreases or stays the same