Refer to the exhibit.

The network consists of two ArubaOS switches with routing disabled.

How should the network administrator configure the link between Switch A and Switch B to ensure that all hosts can communicate to all the other hosts within their respective VLANs?

A. tagged for VLAN 20 and tagged for VLAN 30
B. untagged for VLAN 10 and tagged for VLAN 30

C. tagged for VLAN 10 and tagged for VLAN 20

D. untagged for VLAN 10, untagged for VLAN 20, and tagged for VLAN 30