A customer is involved in an IBM critical situation （CritSit）. The customer recently installed iDATAPIex. The business partner has been assessed a significant penalty by IBM. Which of the following is the reason for this action by IBM？（）

• 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）