You are the network administrator for All network servers run Windows Server 2003. A server named TK1 contains a mirrored volume that consists of two 36-GB disks. Both disks are used for data storage. TK1 also contains a third unallocated dynamic disk. Next week, a database that currently requires 45 GB of disk space will be installed on TK1. This database will grow at a rate of 10 percent every 6 months. You need to realocate disk space on TK1. Your realocation must satisfy the space requirements of the new database, and it must also ensure that data will remain available in case of disk failure. First, you break the mirror and delete all volumes on the disks. What should you do next?（）

A. Create a spanned volume.
B. Create a stripped volume.
Create a mirrored volume.
D. Create a RAID-5 volume.