When Being Stumped by a Test Question, Ryan Used to Say

When being stumped by a test question, Ryan used to say to himself, "I just know I'm going to flunk the test now." After reading about overcoming test anxiety in his personality textbook, Ryan is going to try saying, "Just because I can't answer this question does not mean I'll flunk the test. I'll just go on to the next question I can answer" while taking a test. This is an example of:

A) Expressing self-centered thinking
B) Creating a sense of false self-confidence
C) Practicing rational thinking
D) Altering one's test self-schema