In the Demand and Supply Model of the Money Market,the

In the demand and supply model of the money market,the i.supply of money curve is a vertical straight line.
Ii) supply of money is the quantity that must be held by households and firms.
Iii) quantity of money is determined by the Reserve Bank's actions.

A) i only
B) ii only
C) iii only
D) ii and iii
E) i,ii and iii