A customer left a message on the pSeries technical specialist’s voicemail that a proposal is needed for a p5-550 4-way 1.4GHz 8GB machine.  The specialist configured a p5-570 4-way 1.5GHz 8GB machine and sent it to the customer with a note that this system was the closest match to that requested.could the specialist have done to minimize any customer dissatisfaction in an efficient manner？（）

• A、A
• B、B
• C、C
• D、D