What could cause this problem?

Refer to the exhibit.

An administrator implements the MultiZone feature.

The administrator sets up five zones as shown in the exhibit in this configuration:

– Zone A has six controllers that form a cluster.

– Zone B has three controllers that from a cluster.

– Zones C, D, and E have a single standalone controller each.

A total of 13 VAPs are created across the five zones, Aruba Mobility Controllers (MCs) in Zones A, B and C run ArubaOS 8.1.0.1 MCs in zones D and E run ArubaOS 8.1.0.2. Some APs do not join their respective data zones.

What could cause this problem?
A . The number of controllers exceeds the maximum for MultiZone.
B . The MCs run different versions of the ArubaOS code.
C . The number of zones exceeds the maximum for MultiZone.
D . The number of VAPs exceeds the maximum for MultiZone.