Which WAE deployment model must you use to configure PortChannels on the core WAE appliances to enab

Which WAE deployment model must you use to configure PortChannels on the core WAE
appliances to enable load balancing across WAE interfaces?

A.
on-router, two-arm

B.
off-router, one-arm

C.
off-router, two-arm

D.
one-router, one-arm