AcustomerrecentlypurchasedanIBMSystemStorageDS5020withanattachedexpansionunitthatprovides9TBofcapacity.InspeakingtotheirBusinessPartner，theyareveryinterestedinvirtualizingtheirstorageenvironmentandwouldliketopurchaseaStorwizeV7000withanenclosurethatwillprovidethemwithanadditional14TBstorage.KnowingthatthecustomerwouldliketointegratetheDS5020intotheirnewvirtualizedstorageenvironment，howmuchtotallicensingshouldbesold？（）
A.2ExternalEnclosureLicenses
B.9TBtolicensetheexternalcapacity
C.23TBtolicenseallthestoragecapacity
D.2InternalEnclosureand2ExternalEnclosureLicenses
参考答案：D
