Which of the following does not illustrate an effective way of coping with a major frustration?

a. natalie wasn't getting ahead in her social service job and felt she wasn't serving her latino clients well, so she became a student of spanish.
b. cameron loved cars, but realizing he wasn't performing well as a car salesman, he persevered until he landed work as an apprentice mechanic.
c. leslie loved clothes and hoped to become a designer, so she quit her job at the convenience store and moved back to her parent's home in arizona.
d. tired of the long hours and low pay of his job at burgers-r-us, robert began night classes in bookkeeping.