Which statement about MPLS Traffic Engineering policy-based tunnel selection (PBTS) is not
true?

A.
The tunnel that is not configured with the policy-class command acts as the default.

B.
EXP selection is between multiple tunnels to the same destination

C.
There is no requirement for IGP extensions

D.
Tunnels are configured using the policy-class command and carry multiple EXP values.

E.
It supports VRF traffic, IP-to-MPLS switching, and MPLS-to-MPLS switching

Explanation:
1.7. MPLS Traffic Engineering