Which statement is true?

Refer to the exhibit.

Which statement is true?

A.
R1 routes this pseudowire over MPLS TE tunnel 1 with transport label 20.

B.
The default route 0.0.0.0/0 is available in the IPv4 routing table.

C.
R1 is using an MPLS TE tunnel for this pseudowire, because the IP path is not available.

D.
R1 has preferred-path configured for the pseudowire.