单项选择题AcustomerisinvolvedinanIBMcriticalsituation(CritSit).ThecustomerrecentlyinstallediDATAPIex.ThebusinesspartnerhasbeenassessedasignificantpenaltybyIBM.WhichofthefollowingisthereasonforthisactionbyIBM?()
A.The business partner was required to perform a TDA and failed to do so
B.The business partner recommended a nonworking configuration
C.The business partner did not support the customer correctly
D.The business partner failed to sell Remote Technical Support (RTS)