单项选择题The IBM System Storage TS7650 ProtecTIER Deduplication Appliance supports emulation of up to how many of the following?()
A. up to 18 virtual libraries, 64 virtual drives, and 55000 virtual cartridges
B. up to 6 virtual libraries, 128 virtual drives, and 110000 virtual cartridges
C. up to 12 virtual libraries, 256 virtual drives, and 128000 virtual cartridges
D. up to 24 virtual libraries, 512 virtual drives, and 256000 virtual cartridges