When the Demand and Supply Curves Both Shift Rightward, Which

When the demand and supply curves both shift rightward, which of the following happens?

A) The equilibrium quantity increases and any change in the equilibrium price cannot be determined.
B) The equilibrium price falls and the equilibrium quantity increases.
C) The equilibrium price falls and any change in the equilibrium quantity cannot be determined.
D) The equilibrium price rises and the equilibrium quantity decreases.