Lucas Is Feeling Increasingly Stressed Because a Coworker Has Been

Lucas is feeling increasingly stressed because a coworker has been belittling his contributions and spreading gossip behind his back ever since he declined her offer to go out for drinks after work.Which of the following behaviors is an example of Lucas's problem-focused coping?

A) He makes an appointment with the Human Resources office to file a harassment complaint.
B) He tries to see his office mate's point of view.
C) He repeats Reinhold Niebuhr's "Serenity Prayer" until he calms down.
D) He thinks about the problem so much that it interferes with his work.