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

A、Providesabankwithacontinuousstreamofinformationonconditionsintheforeignexchangemarket
B、Providesabankthemeanstoreadjustitsownpositionquicklyandatlowcostwhenitseparatelyconductsalargetradewithacustomer
C、Permitsabanktotakeonapositioninaforeigncurrencyquicklyifthebankanditstraderswanttospeculateonexchange-ratemovementsinthenearfuture
D、Providesclearingservicesfororganizationsthatprefertousedifferentcurrencies