Which of the Following Statements Is False

Which of the following statements is false?

A) Along a given aggregate demand curve for real GDP, the real money balance (M/P) is constant.
B) Along a given aggregate demand curve for real GDP, the nominal money balance (M) is constant.
C) Along a given aggregate demand curve for real GDP, the real money balance (M) increases as price-level decreases.
D) Along a given aggregate demand curve for real GDP, taxes and government expenditures are constant.