What is the significance of a file system's Minimum Allocation Size?

What is the significance of a file system’s Minimum Allocation Size?

What is the significance of a file system’s Minimum Allocation Size?
A . Reserves a configurable space for Snapshots
B . Ensures the file system always has free space
C . Provides a mechanism for free space reporting
D . Prevents the removal of too much file system space

Answer: D