How should the network administrator configure the controller VRRP instances in the AP groups for active-active controller redundancy?

Refer to the exhibit.

A network has one master and two local controllers with 200 APs that provide an employee WLAN. The Master controller is configured with two AP groups, North and South. The Local 1 and Local 2 controllers are located in the data center and are configured with VRRP instances. The customer would like to utilize both controllers for active-active local controller redundancy.

How should the network administrator configure the controller VRRP instances in the AP groups for active-active controller redundancy?
A . 200 APs in the North AP group and 100 APs in the South AP group
VRRP1 address as LMS-IP for the North AP group
VRRP2 address as Backup LMS-IP for the South AP Group
B . 100 APs in the North AP Group and 100 APs in the South AP Group
VRRP1 address as LMS-IP for both North and South AP Groups
VRRP2 as Backup LMS-IP for both North and South AP Groups
C . 200 APs in the North AP group
VRRP1 address as LMS-IP for the North AP Group and Backup LMS-IP for the South AP Group
D . 100 APs in the North Ap group and 100 APs in the South AP Group
VRRP1 address as LMS-IP and VRRP2 as Backup-LMS IP for North AP Group
VRRP2 address as LMS-IP and VRRP1 as Backup LMS-IP for the South AP group

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Answer: D