You are a network administrator for your company. All servers run Windows Server 2003. A server named Server3 functions as an application server. The disks in Server3 are configured as shown in the following table. You purchase four additional 20-GB hard disks for Server3. You plan to install an inventory database on Server3. You estimate that you need a total of 60 GB of disk space to hold all the inventory data. You need to protect the data against the failure of any disk that contains either operating system data or inventory database data. You need to create a new disk configuration on Server3. Which two actions should you perform? （）(Each correct answer presents part of the solution. Choose two.)

• A、Use one additional disk to create a mirror for drive 
• B、Use two additional disks to create a striped set for drive 
• C、Use three additional disks to create a RAID-5 volume for drive 
• D、Use two additional disks to create a RAID-5 volume for drive