Which of the Following Is True

Which of the following is true?

A) The prices of stocks and bonds adjust until the average investor is indifferent between stocks or bonds--in other words, until the risk adjusted returns to owning stocks or bonds are equalized.
B) The equilibrium return to owning stocks consists of a risk free return, a risk premium for owning stock, and a firm specific premium.
C) If the Fed takes action that causes interest rates to change, this changes the risk free return of government bonds, and financial prices of stocks and bonds adjust until the investor is again indifferent between stocks and bonds.
D) All of the above are true.