Which drives should you use?

You have a computer named Computer1 that has the following four hard disk drives installed:

You need to create a two-way mirror by using Storage Spaces. The solution must minimize data loss.

Which drives should you use?
A . Drive 1 and Drive 2
B . Drive 1 and Drive4
C . Drive 2 and Drive 3
D . Drive 3 and Drive 4

Answer: D

Explanation:

http://www.windowscentral.com/how-use-storage-spaces-windows-10