A customer has purchased three IBM System Storage DS8700 systems and would like to have their administrators trained.  Which training alternative provides the necessary training with the least financial impact（）

A、purchase the training CD for the disk subsystem and have the staff do self-paced training

B、have the IBM Service Support Representative perform the training

C、contact IBM Education Services for an onsite training class

D、send one person at a time to an IBM training sessio