Which of the following is the BEST way to explain RAID to a non-technical user?

Which of the following is the BEST way to explain RAID to a non-technical user?

A.
“RAID is a dynamic logical disk management system.”

B.
“RAID uses multiple hard disks to increase performance and/or provide protection against data
loss.”

C.
“RAID uses data striping to reduce hard drive write time and parity bits to reconstruct the data
from a failed hard drive.”

D.
“RAID stands for Redundant Array of Independent Disks”.