A solution provider has proposed a pSeries solution to a new customer.  The solution is complex with a number of technologies that are new to the customer. They have a tight timeline for implementation.  The solution provider has not been able to get a clear understanding as to how the customer will backup the system.  What would be the most appropriate action to address the risks with this solution？（）

• A、Sell Sysback
• B、Conduct a SAR
• C、Sell Supportline
• D、Provide a project timeline