Which is NOT a consideration before installing Full Disk Encryption?

Which is NOT a consideration before installing Full Disk Encryption?

A.
Full Disk Encryption cannot be installed if the root directory is compressed.

B.
Full Disk Encryption cannot be installed to stripe/volume sets.

C.
Full Disk Encryption must be installed on the first bootable partition.

D.
Full Disk Encryption must have at least 2 GB of contiguous free space on the installation target.

Explanation: