Which of the following is NOT a function of the interbank part of the foreign exchange market?( )

A、Provides a bank with a continuous stream of information on conditions in the foreign exchange market
B、Provides a bank the means to readjust its own position quickly and at low cost when it
separately conducts a large trade with a customer
C、Permits a bank to take on a position in a foreign currency quickly if the bank and its
traders want to speculate on exchange-rate movements in the near future
D、Provides clearing services for organizations that prefer to use different currencies