Refer to the exhibit.
What is the problem when 237 dials 972551915?
A . The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 9.”
B . The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 5.”
C . The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 2.”
D . The problem is in “forward-digits 7”; the dial peer should be with “forward-digits 8.”
Answer: D