During the German Hyperinflation of the 1920s, the Large Increases

During the German hyperinflation of the 1920s, the large increases in the money supply were generated by the German government

A) significantly lowering the required reserve ratio to enable German businesses to obtain loans.
B) significantly raising the required reserve ratio to reduce business loans.
C) printing large quantities of German marks.
D) selling large quantities of government bonds to the central bank, the Reichsbank.
E) running large budget surpluses.