Tim Is Doing Poorly in Math

Tim is doing poorly in math.Although he knows he's not a very good math student,it does not concern him greatly.He spends most of his time after school playing hockey,a sport at which he excels.Tim's 5^th grade math teacher tries to motivate him to stay after school for tutoring,but Tim doesn't want to miss hockey practice.Furthermore,he reasons,two of his teammates have even lower marks in math than he does.Which of the following statements about Tim's self-concept is most accurate?

A) Tim's self-concept is low because thinks poorly of himself in math.
B) Tim's self-concept is high because he thinks he is good in athletics.
C) Tim's self-concept reflects some understanding of his strengths and weaknesses.
D) Tim's self-concept is undifferentiated because of his age.