How does Cisco WAAS support NBAR?

How does Cisco WAAS support NBAR?

A.
NBAR is not supported in Cisco WAAS environments.

B.
No support is needed; NBAR is unaffected by Cisco WAAS integration.

C.
The WAE appliances do not compress the first few packets of each connection.

D.
The WAE appliances do not compress connections that are marked for NBAR processing.