Refer to the exhibit.

You are preparing to upgrade a VPLEX Metro system. You ran the version command to begin the verification
process and received the output shown.
What is the most likely reason for the warning?

A.
The Metadata volume is in an NDU state.

B.
The Cluster Witness is at the wrong version.

C.
The Management Server is at the wrong version.

D.
The directors are in an NDU state.