All of the Following Illustrate Intraindividual Difference, EXCEPT

All of the following illustrate intraindividual difference, EXCEPT:

A) Andrew got straight A's in his social studies class, but is failing in science.
B) even though most of Mrs. Jennings' class received reading scores above the grade level, a few were reading below it.​
C) even though she doesn't like math, Annette excels in both math and English classes.
D) Fernando usually gets the best grades in his class and is also one of the school's highest scorers on the basketball team.