The data center director has complained that tape operations are becoming too manually intensiveand non-standardized. Upon further discussion it is learned that each of the ten (10) open systemsservers has its own direct attached LTO library so that each server will have its own set of tapes.Which IBM System Storage Tape Library should be recommended?（）

• A、TS7740 due to virtual tape server support 
• B、TS7720 due to virtual tape server support 
• C、TS3500 due to multi-logical library support 
• D、TS3310 due to multi-logical library support