A GRE tunnel is configured between a local and a remote site. Whare should the service policy be appliced to classify packets based on the pretunnel header?

A.
In global configuration mode, apply the service policy and use the qos pre-classify command.

B.
In global configuration mode, apply the service policy but do not use the qos pre-classify command.

C.
Apply the service policy on the pysical interface but do not use the qos pre-classify command.

D.
Apply the service policy on the tunnel interface but do not use the qos pre-classify command.

E.
Apply the service policy on the tunnel interface and use the qos pre-classify command.