What dial-peer is supposed to be used and why is the call failing?

Use the router console to view the configuration and answer the question.

Calls to National numbers are failing. Using the Branch router configuration, correctly determine why these calls are not successful
A. The port assignment should be 0/0/0:12
B. The destination pattern should be 90[1-9]T
C. The character “T” cannot be used in a Pots dial pattern
D. The digit prefix should be “00”