听力原文:M: Banks may borrow emergency funds from the Fed to meet an unusual demand for ca
W: Thus, Fed serves as a source of last resort for emergency funds. It is one of the major objectives of the Federal Reserve System.
Q: What will the banks do when there is an unusual demand for cash by depositors?
(15)
A.To serve as a source of last resort.
B.To be one of the major objectives.
C.To transfer depositors' funds from one bank to another.
D.To borrow emergency funds from the Fed.