Refer to the exhibit and configuration output.

A user in New York (5001) is trying to call a user in London (6001), but the call cannot be completed.
Assuming that the WAN uplink is failing and the voice traffic has to go out toward the PSTN, which
command do you need to add to dial peer to solve this issue?
dial-peer voice 3 pots
destination-pattern 6…
preference 1
port 0/0/0:23
dtmf-relay sip-notify

A.
num-exp 512602 6001

B.
prefix 757385

C.
forward-digits 2

D.
forward-digits 4

E.
prefix 5126