单选题：Suppose we have a disk cluster with 8 equal-size disks. And we c

Suppose we have a disk cluster with 8 equal-size disks. And we can select raid 0, raid 1 or raid 5 for the cluster.

Suppose we have a disk cluster with 8 equal-size disks. And we can select raid 0, raid 1 or raid 5 for the cluster. For each level, what is the minimum number of disks that may fail before data may be lost? @[C](1)
A. 1, 1, 1
B. 1, 1, 2
C. 1, 2, 2
D. 2, 2, 2





A.1, 1, 1
B.1, 1, 2
C.1, 2, 2
D.2, 2, 2


答案：C