Which Answer Is the Best Example of Positive Self-Talk Replacing

Which answer is the best example of positive self-talk replacing the following example of a negative self-talk statement? "I think I'm going to fail this test question about strategies for improving self-esteem."

A) This test is too difficult and too long for me to finish in the amount of time I've been given to take it.
B) I should have read the textbook more carefully.
C) The instructor didn't tell us self-talk would be on the test.
D) I understand the concept of self-esteem and should be able to figure out the right answers.
E) This is a well-written exam that demonstrates the complex challenge of understanding self.