A customer is building a database server, and the server does sequential write most of the time.  They are planning to use an IBM x445 and a ServeRAID-6M adapter.  Which of the following fault tolerant RAID levels will perform best for sequential write?()
A、RAID-5 with cache write back
B、RAID-1E with cache write back
C、RAID-10 with cache write thru
D、RAID-50 with cache write thru