The Trend Toward Shorter Maturities of Marketable Public Debt Is

The trend toward shorter maturities of marketable public debt is a matter of concern because:

A) It forces the Treasury to come to market more often to retire or refund debt
B) The Federal Reserve is cautious about making significant changes in monetary policy when the Treasury is actively in the market
C) Because short-term Treasury securities are very liquid, their presence can inhibit Federal Reserve attempts to reduce the growth of money and credit
D) All of the above
E) None of the above