Monetary policy has a​ ________ effect on aggregate demand in​ a(n) ________​ economy, and fiscal policy has a​ ________ effect on aggregate demand in​ a(n) ________ economy.A. weaker; open;​ weaker; open
B. weaker; closed;​ stronger; closed
C. stronger; closed;​ weaker; open
D. ​stronger; open;​ weaker; closed