An IBM technician specialist has a prospective customer who is excited about eX5 and is working on configuration for a very large complex opportunity. During the engagement the customer has changed the design several times and has significantly increased the scope. The customers recently selected a Business Partner who has been involved in the last few design changes. What steps should the IBM technician specialist take to make sure the customer is satisfied with the solution？（）

• A、Turn over current design to Techline to create configurations
• B、Perform knowledge transfer of design requirements to Business partner then disengage
• C、Work with Business Partner to engage Techline to assist with configuration and request technical and Delivery Assessment （TDA）
• D、Work with business partner to engage Techline to create configurations