Question

Although Mark realizes that his behavior is unreasonable, he is so alarmed by high bridges or expressway overpasses that he avoids them by taking an unnecessarily lengthy route to and from work each day. Mark appears to suffer from

Answer 1

Hmm.. Mark suffers from a phobia.

Step-by-step explanation:

A phobia is an extreme or irrational fear of or aversion to something, so he has a phobia of high bridges and expressway overpasses. Mark may have Gephyrophobia (fear of bridges) but only high ones.