A customer with both IBM servers and storage asked their storage specialist to present updatedinformation on the IBM storage portfolio. The specialist suspects a competitor is actively selling inthis account. Which of the following questions, if asked by the customer, would most likely indicatecompetitive activity?（）

• A、Does the DS8700 offer virtualized arrays? 
• B、How can the IBM SAN Volume Controller work in our environment? 
• C、What is the raw disk capacity of the IBM System Storage DS5300? 
• D、What are the support options available on the IBM System Storage DS5020?