For Most of the Fed's History, the Fed: 

 For most of the Fed's history, the Fed: ?

A)  lent reserves at an interest rate below the target federal funds rate.?
B)  found banks would borrow from the Fed far more often than they would borrow in the federal funds market.?
C)  was very lenient in making discount loans.?
D)  tied the discount rate to the rate on Treasury securities.